Item # BIS11221
This is a billet aluminum, top mount, compressor bracket for a small block Chevy with a long water pump. It's a 3-point adjustable mount to the cylinder head & water pump for added stability. It comes complete with stainless steel hardware. It's made for use with a Sanden 508 compressor only. (cannot be used with GM compressors, superchargers, Tuned Port Injection or triple 2-barrel carb set ups)
Not sure if you have a short or long water pump?
Dimensions from block to hub, Chevy SB:
Short Water Pump: 5-5/8"
Long Water Pump: 6-15/16"
Note: Water pump dimensions may vary between manufacturers. (+/- 1/16")
This part fits most Chevrolet Cars and Trucks.; exceptions may apply. Please read the complete description to see if this part fits your specific vehicle and application.