Description: 

Fits all SB chevy engines when using a long water pump.

Fits sb Chevy 265 283 305 327 350 383 400 using a long water pump.

Machined from billet aluminum . Black powder coated finish.

These feature deep grooves to prevent belts from slipping.

P   Professional Installation is Highly Recommended (No Instruction and Wiring Diagram Included)