Name: BSM 4 pump spring
Brand: TonyKart
SKU: 21931
Price: 6.63 USD
Availability: BackOrder

Company Info

Acceleration Kart Racing
6430 Schirlls Street
Las Vegas, NV. 89118

888-466-KART Send a Message About us

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Testimonials

I'm new to Las Vegas & I decided to visit Acceleration Kart Racing after I got recommended here by a friend. Upon arrival their was plenty of parking & the atmosphere was very welcoming. I walked in looking for a Bearing & was greeted by Cory who was very helpful & answered a...

Omar M.

10-10-2023

Definitely recommend Acceleration Kart Racing. Great customer service. Always available to answer my questions. Quick turnaround time for orders. Will order from them again

Lori Siegel

20-07-2023

These guys are phenomenal. During Friday practice it started raining heavily and forecast changed to heavy rain for Sundays race. The track shop ran out of rain gear and these guys came through for us, Saturday morning the rain gear was delivered.

Shadi Mokarem

24-05-2023

These guys are awesome! I am just getting back in to the sport after almost a 30 year absence. Acceleration has had everything I needed in stock, competitively priced and even with the free shipping option I have it in a couple of days. I have called with technical questions a...

Mark McKenna

10-05-2023

Acceleration Karting is amazing. I get all my karting needs from them. You place your order and it is at your door in two days. Thanks to AK team.

Rashad M. Sadigov

02-05-2023

Had the items I needed at fair prices.

Mark Bunney

02-04-2023

Just got my Gloves and shoes and the quality is amazing. They also got here very quickly. 100% recommend.

Jacob Herrera

10-12-2022

Thanks for always being there even when I call in a panic you help walk me through it and figure it out and get me the things I need ! And thanks again Holden for catching my mistake......

Joseph Scalf

01-06-2022

I purchased a CRG kid kart, gloves, shoes, suit, helmet,, collar for my son from Acceleration, very pleasant experience. They put it together and shipped it to Texas where I live......

Brandon Brown

01-06-2022

Thanks to Katelynne & the gentleman I spoke with yesterday (Corey or Curtis maybe?) for the quick shipping. Y’all saved the weekend by getting new brake pads to me in time......

Don Laine

01-06-2022

I received my order today and just wanted to THANK YOU very much for the FAST shipping and FANTASTIC packaging!!! ***Please let the person(s) responsible for packing my order know that I GREATLY APPRECIATE the fact that they realized some delicate items were being combined ...

Jim Benton

30-09-2021

Thanks to you & the gentleman I spoke with yesterday (Corey or Curtis maybe?) for the quick shipping. Y’all saved the weekend by getting new brake pads to me in time for us to leave. AKR has a 100% track record of great service.

Don Laine

08-09-2021

Tires and tools I needed were on hand and shipped quickly! Some places offer free shipping and then send it via slow boat..got my stuff in less than a week, even with FedEx taking a day longer than they initially said (on FedEx, not Acceleration Karting). Will definitely purch...

Guy Rautenkranz

24-07-2021

I purchased a CRG kid kart, gloves, shoes, suit, helmet,, collar for my son from Acceleration, very pleasant experience. They put it together and shipped it to Texas where I live. By the end of the year I’m getting one for my self from here of course.

Brandon Brown

28-06-2021

Hi to the team at Acceleration Kart Racing. I would just like to thank you all for your amazing service on delivering me the PKT Rotax Aluminum Chain Guard I ordered. Considering I live in Perth Western Australia and the order was placed on the 10th of June I received my part ...

Paul Moyle

23-06-2021

Thanks for always being there even when I call in a panic you help walk me through it and figure it out and get me the things I need ! And thanks again Holden for catching my mistake last time and making it right ! Curtis Thank you for AKR The Best Kart Shop in the USA !!!!!!

Joseph Scalf

16-04-2021

I ordered a pair of Alpine Star racing shoes for my son. The pair I ordered was back ordered. AKR reached out and said they has last years model they could get out to me in KY for our race this weekend. When the shoes arrived they had left out the part that they sent them for ...

Barry Bramblett

12-03-2021

The website was easy to order from and my package was sent out very quickly. Katelynne went above and beyond to manage my order.

Tanya & Steve Ford

09-03-2021

They always have what’s needed for my race kart.

Raymond Chiappe

06-02-2021

Great customer service, super fast shipping (received next day!) Came highly recommended and I would highly recommend them, for all your karting needs!!

Dennis Turley

04-02-2021

Great selection of products, great service and prompt shipping!

Terry Hershberger

02-02-2021

Placed a couple orders with AKR and everything seems to ship next day and I can't find many places with better shipping rates and pricing!

James Arken

08-01-2021

Placed a couple orders with AKR and everything seems to ship next day and I can't find many places with better shipping rates and pricing!

Charles Duckworth

05-01-2021

Placed a couple orders with AKR and everything seems to ship next day and I can't find many places with better shipping rates and pricing!

Mark Just

05-11-2020

First time purchase with Acceleration Kart racing. Purchased a couple pairs of gloves from Curtis. Lots of glove colors to choose from and they have a competitive pricing. .RECOMMENDED

Jeff Kerr

04-11-2020

Recently got into karting built my adapted kart...ordered every part through these guys absolutely awesome.. fast shipping and not one part has been incorrect...couldn't be happier with them .. thanks guys

Colin Sunday

14-10-2020

Their prices are competitive, the products they offer are top quality, and they always ship orders promptly and well packed.

Ryan Lower

11-10-2020

I was looking for some small obscure parts for a pair of older Dellorto PHF carburetors that I was re-building. I came across Acceleration Kart Racing's web site and thought I take a look. THEY HAD EXACTLY WHAT I WAS LOOKING FOR!!! Good prices, great service, and quick shippin...

Maynard Guzzi

22-09-2020

We order late last night some tires for qm! Needed this upcoming weekend. Not only did they beat everyone's price listed they processed first thing this morning i have tracking info that they will be here tomorrow on a 2 day fed ex! Thank you so much.. ill be back for my next ...

Trina Humphries

19-09-2020

Seems lately Acceleration Kart Racing is my weekly go to shop for online orders. Always quick to ship, best online prices and it seems they always have what I need in stock and ready to ship.

Richey Kephart

13-08-2020

Fastest shipping in the industry.

Kevin Rowe

04-07-2020

They always get my parts out fast and very competitively priced!

Justin Williams

17-06-2020

Great prices, super fast delivery. Awesome company to order from!

Bryan Kennedy

16-04-2020

I’m continually impressed by the team’s commitment to ‘ship same day if the order is in before 1400 hrs’. I’ve probably had 15 orders go in and they’ve shipped according to their commitment every time. I’m also impressed by their inventory; rarely do I get a ‘not in stock’ and...

John Fernandez

30-03-2020

Dear Curtis, Corey and the whole team, I just had to write a huge thank you to Acceleration Karting for yet another fantastic customer experience. From day one everyone I have dealt with has gone above and beyond to help me - from explaining products, checking order status, a...

Joe Scalf

11-03-2020

This shop is great, willing to answer any questions I have had being new to karting. They have a great variety of parts and their website is very easy to use. Definitely will be shopping here more often. Thanks for all the help!

Mitch McMillen

01-03-2020

It’s always a pleasant experience when I go to Acceleration Kart. Their gift Subscriptions made great Christmas and Birthday gifts for karting fans. Blessings, Nora

Nora Marchant

15-12-2019

These folks are fantastic to deal with. Quick shipping and have lots in stock all season long! Holden is great and even called to check on some items and their compatibility to our kart.

Josh Cramer

24-08-2019

Holden offered amazing customer service! He was extremely patient with all of our shopping list and trying on many different products. He gave some great suggestions which led us to find the perfect accessories for our karting needs. Thank you for having a store front we could...

Kristen Otoupalik

04-07-2019

Great service. Wheels i ordered where on national backorder they found me a compareable replacement at the same price. Shipped same day as ordered recieved order two days later. Highly recommend!

Mike Moore

03-07-2019

The website is easy to navigate and the customer service is A-1. I always check with AKR because they have all the parts I need. Thanks for supporting my racing habit!!

MJ Smith

03-07-2019

Acceleration Karting won me over after my first order. They are responsive and professional. I would recommend them to everyone.

Brandon Lapehn

03-07-2019

I love AKR. Despite being in another timezone, their service is quicker and more reliable than than most local vendors. They stop at nothing to get me what I need before raceday. Can't thank them enough!

Jacob Parker

03-06-2019

Super fast shipping (less than an hour after placing order) and very competitive pricing! Look forward to doing more business with Acceleration Kart Racing in the near future!

Glenn Henderson

03-06-2019

Absolutely the best out there when it comes to everything Karting! Great supply of parts and accessories! Orders are filled and shipped right away and they’re more than willing to answer any question!

Matt Broderick

03-06-2019

I found Acceleration Kart Racing 15 years ago when I first started racing kart. After a 10 years absence from karting, I came back and found them as good as ever. What I like most about them is that they have a very nice website where I can find just about everything I needed ...

Dai Feng

03-05-2019

We have gotten parts from them several times when we were in town. This last time, they were exceptionally helpful, as we weren't able to get to the shop before they closed. So, they boxed the part and left it outside for us to pick up after hours. Really helped us out!

Preston Osborn

03-05-2019

Thank You! I'm surprised by how fast you process all the orders. I have ordered items from you 4 times and every single time you're as fast as the previous order. You're amazing!

Christian Cazabon

14-03-2019

These guys are the best! They have the best inventory of good parts I have been able to find on the internet. The customer service is amazing and they know what they are talking about. I have ordered stuff and it was on its way within the hour. Best place to buy karting parts ...

Hunter Birdwell

03-02-2019

We love this company! Such friendly service that goes above and beyond. Katelynne is a great person to have on the front line with customers. We travel from Illinois to visit the shop!

Jacki Salzman

03-02-2019

I was looking for a rolling kart stand and found their prices , including shipping, to be significantly lower than other kart parts stores online. Stand arrived within 3 days of ordering. They have a very comprehensive inventory of various kartr parts. I will definitely be a r...

Danny Maples

03-02-2019

Great advice, great selection, great prices, fast shipping. I emailed questions regarding various products before making a purchase. I got great advice and speedy responses and now I am a regular customer for all my parts needs. Cheers!

David Stephens

03-02-2019

Always the quickest with best prices. When I first got into Karting I visited the facility and was treated as if I was Karting for years. Since then, I've ordered several different times via phone and online. The past 2 times I've dealt directly with Holden and he has gone abo...

Jay Olsen

03-01-2019

The crew at AKR is incredibly helpful and their website easy to navigate. Great group for all our karting supplies. Thanks, Darren M - M2 Race Team

Darren McDonough

03-01-2019

I love coming here. Not only the service is great but they have the best prices. I shop around quite a bit on the Internet and eBay and they still have the best prices. Not to mention they are very helpful and knowledgeable being my first year and carding I had a lot of questi...

Brandon Howard

03-01-2019

The orders are quickly processed and shipped on the same day. The service is outstanding. Your questions are answered by a live person with no delay. Great Job keep up the good work

Richard Conzo

03-01-2019

I ordered a CRG Kid Kart earlier this week, with Holden. I really want to pass on how great the experience was. We were in a slight time crunch, not to mention that I really wanted to get the best equipment possible. So we got the kart on time, completely put together, and rea...

Steve Coulter

28-09-2018

I'm new to karting, this site is working well for me. You always seem to have time to answer my questions, even tech related questions, more so than some local dealers. Money goes where it is treated best.

Dan Gunsales

19-08-2018

You Guys are so good and so fast. Way above the rest. Thanks.

John Hawley

18-07-2018

Just wanted to send a quick shout out to the entire AKR team. I’ve ordered all of our parts and a helmet exclusively from AKR this off season for my sons new kart. Everything is always shipped so quickly and without any issues. Thank you for that and can’t wait to finally get ...

Bryan Traver

24-03-2018

A HUGE thanks to your team for helping to answer all my questions and getting my order shipped out overnight for the owner. They were awesome. We will definitely use you again and refer friends.

Dawn Ferguson

12-03-2018

Thank you Shop AKR for being our number one go to for parts! You guys have never let us down and have impeccable customer service.

Natalie Morrow

03-01-2018

You guys are the only people I order from and I appreciate all your help the last year, especially from Holden and Curtis. I went from a newbie last year with a 20 year old kart to now being able to hit podiums on the local levels on a newer and much more competitive CR125; yo...

Dan Ashapa

27-12-2017

You guys are awesome, you do great work for a good price.

Travis Morrow

11-07-2017

Hi, I just placed my 3rd order and I would just like to say, I am self employed and have dealt with a lot of companies in the past. It is a great pleasure to find a company like your's that value customer service. The few times I called in, the experience was great. The orders...

Dennis Sparks

28-06-2017

I wanted to take the opportunity for thanking you for shipping out my order so quickly, it certainly was not expected but much appreciated. Keep up the great work and I will certainly keep you guys in mind for future purchases!!

Lindsey Trausch

31-01-2017

I called earlier today and spoke with Holden about Zamp Helmets, specifically the RZ-42 Honeycomb. He was amazing and provided all the information that I needed to make the decision to purchase the helmet. I could not fault his service one little bit.

Mitchell Boyce

21-12-2016

I love you guys!!! Ur the best kart shop on EARTH!

Marcello Sabra

01-05-2016

You value me as a customer and I want you to know how much I value you as a supplier. I always vote with my money!! I’m sure Acceleration Kart Racing gets 98% of the dollars I spend on kart parts in a year. The reasons for this are…..you have a good website where I can order t...

Jim Keiger

16-12-2015

Awesome. Seriously, thanks again for all the help and info, I really do appreciate. Wrecking my kart a few weeks ago I was really bummed. So getting a new rolling chassis is pretty exciting. You've been a ton of help and patient with me. AKR customer service has always been su...

Randy Stahl

31-08-2015

Thank you soo much. Always a pleasure to do business, My favorite online kart store.

Patrick Lonnee

14-04-2015

We had a great day at the Philadelphia SCCA Solo test & tune. The new MG tires on the new wheels hooked up great. You made it happen for us. Thanks again for your great customer service.

Ronald Maunz

13-04-2015

As always guys thank you so much for having an incredible shop and keeping us running up front and being there to answer any questions we have.

Dallas Lassalle

13-04-2015

I just want to thank you all for getting my order filled and delivered on time. And everything fits perfectly! Be sure to thank all involved for me please.

Brian Cartier

12-02-2015

Thanks so much Katelynne. 1st Class Service. Look forward to doing more orders with you guys in the future.

Chris Osborne

05-02-2015

Thank you so much for helping me in every way possible! Raymond has answered so many of my questions in a world I know nothing about! Great company! Top Notch Customer Service! Thanks, Paul

Paul Montbleau

29-10-2014

Please forward my thanks to Raymond and the Owners of Acceleration Karting. You truly stand by the products you sell, which I am grateful for. Thank you for replacing the defective battery with a new one. I will make sure the Racers here in Calgary and Edmonton know what a Fir...

Gil M. Altamirano

17-08-2014

I just saw that my return went through. I would like to thank you and the few other people I talked to that help with my order. You are all very professional and solved any issues very quickly. You are all unmatched by any other customer service entity that I've had to deal wi...

Rob Billson

30-07-2014

Kelsey, Thank you. The service from Acceleration Kart is phenomenal! I wish more suppliers had your customer service and commitment. Thank you, Jim.

James Ross

12-02-2014

The recent order you sent me was perfect. Not only was it pefectly filled, it was sent immediately. I received the full order one day later! Outstanding job! THE BEST EVER! That is what makes guys like me want to do business with such a great company...congrats on a job well d...

Ken Casper

11-06-2013

Just want yall to know that Josh Skeeter (got some ``ski`` name I can't remember) is a prime example of customer service. I'm sure he'll say he didn't do anything, and to a certain extent, he's right. But that's not the point I'm trying to make here. Just getting back to me ri...

Paul Holden

14-02-2013

To all at Acceleration Karting, Thank you for all you do to support kart racing. You have always treated us as if we were your only customer. You have consistently gone above and beyond to get us our parts on short notice. You have never let us down, and or fallen through any ...

Jim & Kimberly Baratto

24-05-2012

Rezi Ali

08-11-2011

You guys have been great. I was a little concerned on the shipping times ordering from all the way out their but the 3 day charges have been great and your prices are hard if not impossible to beat. I appreciate the phone call to verify I was who I was the first order too that...

Jason Brugh

25-07-2011

Thanks Kelsey! It is always a pleasure doing business with Acceleration Karting. You guys are by far the best karting retailer.

Judi Ilavia

23-06-2011

Wow. That was excellent service and quick delivery. I don't know how you got the shipment to me in less than 24hrs, and an added bonus of 100% accuracy. I don't think that I could have driven to your shop and back as fast as I received it. Thanks again Carl for the great tech ...

Dennis Marchant

23-12-2010

Kelsey, Thanks for your support this year... Jake won 2 Regional Championships her in the Florida area. Tag and Rotax Sr.... 2 of the most competitive classes in the series. Acceleration Karting support with competitively priced products and your team's willingness to support ...

Dave Duvall

23-09-2010

Brooke, I heard from Kart Parts Unlimited yesterday. I sent them the defective hub as they want the part in exchange for a new unit. Thanks so much for your attention in this matter. It is always appreciated the great customer service you all at Acceleration Kart Racing provid...

Rich Hays

11-06-2010

Just a quick comment in regards to ``Acceleration Kart Racing.`` Last week, I ordered several kart parts from several different kart shops, and I have to say that you guys have done an exceptionally good job in completing my orders! The ``other`` kart shops were a complete nig...

Troy Smith

15-03-2010

Thank you very much for filling my order. The receipt was correct and I received the order last Saturday. Even though it was a small order, I would like to say that I am very pleased with the service Acceleration Karting provides. I will not hesitate to continue ordering from ...

Ricardo Salisbury

15-02-2010

Curtis and Josh, Thank you for the rebuild on my senior Rotax. It was strong at Perris, Gatorz. 1st place and #1 in national points. Thanks Again

David Busby

31-08-2009

Thanks for looking out for me. I tell so many karters that you guys are the best and I mean it in so many ways. Thanks as always.

Cole Cacciavillani

17-08-2009

Thank you all for such an easy, enjoyable experience. I ordered parts on Monday and received the entire order on Wednesday. It is refreshing in finding a reputable dealer for my karting needs. I will definitely use you in the future.

Bill Manker

30-07-2009

Curtis, thanks so much for the time you spent finding my driver's suit. I have only dealt with your company a couple of times, but have been very impressed. Scott and I are sponsoring three Karts with a fourth in the works. You will be the first place we go to for anything for...

Benjamin (Biff) Dubose

28-07-2009

Thanks, I just received my neck collar, and gloves. I appreciate the fast service, and quality products. I had ordered the same collar from an e-bay source in Florida, and was d*****ed around for 5 weeks and still got the wrong product. You guys are getting it right keep up th...

Rick Wood

21-07-2009

It is always so painless when dealing with Acceleration Kart Racing. I wish that could be said for other in the karting business.

Rich Hays

12-03-2009

Thanks, As always it is a pleasure to do business with you. The karting industry should take lessons from Acceleration.

Rob Daniel

10-03-2009

Thanks! Acceleration Kart Racing is AWESOME! You do great work- and I'm looking for a consistent, reliable vendor for my teams karting needs.

Brian Leadingham

09-03-2009

Actually the best shop I have ever done business with is Acceleration Karting in Las Vegas. Curtis rocks, he is so helpful and he has everything in stock. I enjoy my parts being shipped to my door step the next day and the orders are always complete and accurate.

Mike Goebel

08-02-2009

Hello, I am new to the sport and I live in Indiana and have found your service and over the phone tech support, is far superior to other shops that are much closer logistically. I really appreciate the willingness to listen to a newcomer on the phone to help get the right part...

Brent Briles

14-07-2008

I'm glad my brother pointed me towards Acceleration Karting for my Rotax needs. Thank you sooo very much for all you've done. Oh, and Curtis too - Tom

Thomas Callaway

11-06-2008

Many Thx.. I must say, u guys are very helpful and very efficient at what you do. You have certainly gained a customer.

Larry Dyne

30-05-2008

Thanks, I will order again. The technical help that I received was fantastic. You guys know your business and the help is invaluable. Thanks, John

John Griffin

24-01-2008

My order arrived yesterday (Tuesday 13/11), complete and intact. Thanks for making this all happen and for your professional and helpful approach at all times. It's been a pleasure doing business with you, and I will certainly recommend your business to anyone else seeking to ...

Simon Granfield

13-11-2007

Curtis, Chris and the rest of the folks at Acceleration... Thanks for the great job you all did on my Rotax. I lost the lower end testing in Stockton and needed it for a race in Reno a week and a half later. You guys had it back to me in no time and even took the trouble to ch...

Michael Hurley

01-09-2004

Just wanted to thank you guys for all your help with our new kart purchase and the great service we received. We would also like to thank you for being patient with us and answering all of our questions. We are very excited about the Biesse Tomcast chassis and can't wait to ta...

Brian & Sherry Morgan

22-06-2004

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BSM 4 pump spring

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