Manley Roller Thrust Button - SB Chevy w/ Early (Up to 78) Timing Covers & All BB Chevy 1034103 080 in Thick Wall

080 in Thick Wall

Works with EGR for 1972-78 400cid w/ OEM 4-bbl

Oxygen Sensor Bung

The SBS comes complete with high-strength mounting hardware and instructions

During development

Manley Roller Thrust Button - SB Chevy w/ Early (Up to 78) Timing Covers & All BB Chevy 1034103 080 in Thick WallPlaced between the camshaft nose and timing chain cover to prevent the camshaft from "walking" forward in the block. Manley Performance high performance and racing engine parts have been powering winners since 1966. Since our inception in March 1966, Manley Performance Products has been at the forefront of the high performance automotive industry. Founded by gearhead Hank Manley shortly after his graduation from Brown University, our journey began