QA1 5Q Series Twintube Front Shock - C3-R8 Valve - Black Zinc - Circle Track 5Q943-8 DX2100K The MSD Module Selectors allow

The MSD Module Selectors allow you to choose two or three different rpm limits that can be activated at different times

"One-Tool" configures to adjust ALL shaft and stud mount rocker systems on the market today

J2A / J2B / J3 / J4 Plugs

1964-1967 Pontiac LeMans CID 364 CC 5967 6

Able to handle 1000hp

QA1 5Q Series Twintube Front Shock - C3-R8 Valve - Black Zinc - Circle Track 5Q943-8 DX2100K The MSD Module Selectors allowQA1 5Q Series Circle Track Rebuildable Steel Twin Tube ShocksQA1 specializes in high performance suspension components, including shock absorbers, rod ends, spherical bearings, struts, springs, ball joints and other related items. With products to fit a wide variety of applications, they have solutions for the circle track, drag racing, street performance, and street rodding markets. At QA1, we believe vehicles were meant to be driven. From bolt on