CSR Performance BB Chevy Water Pump Spacers - 1/2" (Pair) 929010 The cam button area is

The cam button area is enlarged for use with roller camshaft

1/2 in Long

-6 AN Female Threads

AutoMeter's Mechanical Fuel Pressure Gauge will precisely measure your exact fuel pressure at levels of accuracy previously unheard of even in professional gauges

CSR Performance BB Chevy Water Pump Spacers - 1/2" (Pair) 929010 The cam button area isProduct Description: Water Pump Spacer 1 2 in Thick O Ring Billet Aluminum Natural Big Block Chevy Pair CSR Performance Products have been manufacturing high quality, American made high performance products since 1989. The product line consists of water pumps, cooling products, starters, accessories, Transmission shields and more. CSR Performance Products continually strive to add new durable, high quality performance products.