CHEV BIG BLOCK 396 - 427 NOT 454 POWERBOND HARMONIC BALANCER 8" # HB1211-N Rate_12 Holley universal 4-barrel 1000 cfm

Holley universal 4-barrel 1000 cfm 4150 flange throttle bodies feature integrated throttle position

The steel inertia ring of the Race Series models is positively protected against forward and backward movement and has the assurance of bonded rubber to eliminate spinning

These Edelbrock carburetor spacers allow you to space your carburetor above the intake flange to increase plenum area for more torque and horsepower

Module Selector Finish:

CHEV BIG BLOCK 396 - 427 NOT 454 POWERBOND HARMONIC BALANCER 8" # HB1211-N Rate_12 Holley universal 4-barrel 1000 cfmCHEV BIG BLOCK 396 427 NOT 454 POWERBOND HARMONIC BALANCER 8" # HB1211 N