; Throttle Stop for Holley® 4150-style, 4-bbl. racing carburetors provides a very strong and positive stop; Also prevents excessive side loading on the throttle shaft, which can easily cause the throttle shaft bores to wear out; Throttle stop is adjustable, and simply mounts to the carb hold-down stud; Made from rugged 1/8 steel with a clear zinc finish; Fits both 1:1 and progressive throttle linkages; Ideal for all types of racing*Not legal for sale or use on pollution-controlled vehicles.

Fast Efficient Shipping

Through our distribution network Deliveries can be as fast as Next Day Delivery.
Delivery times vary by destination, tracking information is provided with every purchase.

Get it Installed

JB's Power Centre offers on-site professional installation services in Calgary and Edmonton, AB.
We have on staff licensed Mechanical Technicians as well as MECP Certified 12-Volt Technicians.

* Extend your products Manufacturer Warranty

All products include a manufacturer warranty, but you can extend this warranty with
JB's Purchase Protection Plan
*Available on select products.