Throttle Control Kits
Circle Track Throttle Control Kits at JJ Motorsports
Take total control of your circle track race car’s throttle with premium throttle control kits and adjustable stops from JJ Motorsports, designed for precise WOT regulation and quick return-to-idle in high-RPM racing conditions. These high-quality components prevent over-travel, ensure consistent wide-open throttle, and improve safety for dirt track, oval, and stock car setups.
Shop top brands like Holley and Wehrs Machine for race-proven reliability. Whether you're locking down a 2-barrel 500 CFM for IMCA or setting up a 650–750 CFM for late models, these kits pair perfectly with our carb linkages and carburetors to give you repeatable, track-legal throttle control every lap.
Top Circle Track Throttle Control Kits
- Adjustable Throttle Pedal Stop WEHRWM254 – Billet adjustable stop; 1"–3" range for perfect WOT on any pedal setup.
- Holley 2-Barrel Throttle Stop QRP64-158 – Quick-release stop for 500 CFM 2-barrel carbs; mandatory for many IMCA and UMP classes.
- Throttle Stop Adjustable 1.5in–2.25in COL21864 – Universal adjustable stop; fits most pedal assemblies for 4-barrel carbs.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
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- Qty in Cart
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- Price
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On Sale
Wehrs Adjustable Throttle Pedal Stop WEHWM254
WEHRS MACHINE
MSRP: $30.99Now: $30.00Was: $30.99Precise throttle control is critical in racing, and a quality throttle pedal stop ensures consistent foot positioning and prevents over-travel that can upset your engine management or shock your drivetrain. The Wehrs adjustable throttle pedal stop gives...WEHWM254- SKU:
- WEHWM254
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MFG Part #:
- WM254
MSRP: $30.99Now: $30.00Was: $30.99 -
QuickCar Racing Products Holley 2 Barrel Throttle Stop Adjustable Aluminum Black Anodized 64-158
QUICKCAR RACING PRODUCTS
$59.95Throttle response precision matters in racing, and a sloppy throttle stop can cost you consistency lap after lap. The QuickCar Holley 2-barrel throttle stop gives you adjustable control over your carburetor's idle and wide-open-throttle stops,...QRP64-158- SKU:
- QRP64-158
- Availability:
- Ships Same Business Day
- Weight:
- 0.28 LBS
- MFG Part #:
- 64-158
$59.95 -
Moroso Holley Throttle Stop 65042
MOROSO
$49.99Precise idle control is essential for consistent carburator performance, whether you're tuning on the dyno or dialing in street-strip applications. The Moroso Holley Throttle Stop gives you adjustable command over your 4150 carb's throttle plate...MOR65042- SKU:
- MOR65042
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
- MFG Part #:
- 65042
$49.99 -
Longacre Primary Throttle Stop Bracket 2 BBL 52-32732
LONGACRE
$35.99Precise throttle control is fundamental to consistent racing performance, and a quality throttle stop bracket prevents unwanted carburetor creep that can cost you tenths of a second. The Longacre Primary Throttle Stop Bracket ensures your Holley 2-barrel...LON52-32732- SKU:
- LON52-32732
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- MFG Part #:
- 52-32732
$35.99 -
Longacre Primary Throttle Stop Bracket Holley 52-32730
LONGACRE
$35.99Precision throttle control is non-negotiable in high-performance racing, and the Longacre Primary Throttle Stop Bracket delivers the consistency you need for repeatable launches and smooth idle tuning. This aluminum bracket integrates seamlessly with...LON52-32730- SKU:
- LON52-32730
- Availability:
- Ships Same Business Day
- Weight:
- 0.23 LBS
- MFG Part #:
- 52-32730
$35.99 -
Large Gas Pedal Stop KRC-1038
KLUHSMAN RACING PRODUCTS
$40.99Precision throttle control is non-negotiable in high-performance racing, and a quality gas pedal stop ensures consistent, repeatable foot positioning lap after lap. The KRC-1038 Large Gas Pedal Stop eliminates guesswork by allowing you to set an exact...KLU1038- SKU:
- KLU1038
- Availability:
- Ships Same Business Day
- Weight:
- 0.27 LBS
- MFG Part #:
- KRC-1038
$40.99 -
Coleman Throttle Stop Adjustable 1.5in - 2.25in 21864
COLEMAN MACHINE
$26.99Throttle response precision matters when every millisecond counts on the track. The Coleman Throttle Stop lets you dial in your pedal travel to match your driving style and vehicle setup, eliminating dead space and improving consistency lap after lap...COL21864- SKU:
- COL21864
- Availability:
- Ships Same Business Day
- Weight:
- 0.29 LBS
- MFG Part #:
- 21864
$26.99 -
QuickCar Holley 4 Barrel Throttle Stop Adjustable Black Anodized Aluminum 64-157
QUICKCAR RACING PRODUCTS
$59.95If you're running a Holley 4-barrel carb on a high-performance engine, an adjustable throttle stop is non-negotiable for preventing linkage overextension and maintaining predictable throttle response under load. This QuickCar unit gives you precise...QRP64-157- SKU:
- QRP64-157
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- MFG Part #:
- 64-157
$59.95
