aFe Power Silver Bullet Throttle Body Spacer - 1" Thick - Clear - Small Block Chevy AN Wrench 1986-1993 Ford F-150

1986-1993 Ford F-150

Compatible with the RS7C LTWT

1975-1990 Chevrolet Camaro

1961-1970 International Scout

1989-1989 Chevrolet C3500

aFe Power Silver Bullet Throttle Body Spacer - 1" Thick - Clear - Small Block Chevy AN Wrench 1986-1993 Ford F-150Silver Bullet throttle body spacers create turbulence in the air flow just prior to entry into the engine increasing horsepower, torque and improving throttle response. Silver Bullet throttle body spacers are constructed out of durable 6061 T6 billet aluminum and use a unique serrated helix entry to create turbulence at the manifold while eliminating the annoying whistle found in other helix only throttle spacers. Serrated Helix Design: The serrated