Jaz Products SB Chevy Block-Off Kit - SB Chevy w/ 4150 Holley Carb Exterior Parts & Accessories The 5000 Series Valves have

The 5000 Series Valves have become the alternative for performance engine builders that use our competitor's "street" or "performance valve

Diameter: 14" Round

1500 / 5400 RPM

Our advanced casting techniques allowed us to create a lightweight casting that weighs in at 14 lbs

Jaz Products SB Chevy Block-Off Kit - SB Chevy w/ 4150 Holley Carb Exterior Parts & Accessories The 5000 Series Valves haveSafely seals engine for storage or transport keeping harmful debris out. JAZ Products is the leading manufacturer of bucket seats, fuel cells, and pit accessories in the automotive aftermarket industry. JAZ Products' first venture into the automotive racing market was in 1980 with their now famous "Baja Buster" plastic molded seat. JAZ quickly expanded and today has a complete line of seats, fuel cells, and pit accessories which are internationally