Carburetor Adapter Spacer; 1/2 in. Thick; Aluminum; Open 4150 Style Square Bore To Spread Bore;
QFT(TM) carburetor spacers are available in a variety of configurations, from the transition blend spacer which merge open plenum with four-hole design for better mid-range and high RPM power, to phenolic spacers, as well as, anti-reversion and shear plate spacers. Anti-reversion plates and shear plates are designed to improve air flow and assist in atomizing fuel at higher RPM's. The design helps improve signal to the carburetor and flatten the fuel curve.
  • Designed To Convert From Spread Bore To Square Bore Carb Flange
  • Cast Aluminum
  • Allows Any 4150 Or 4160 Style Carb To Be Mounted On Manifolds
  • For Rochester Quadrajet or Carter Thermoquad Carbs

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.