PEM Premium Quick Change Gears - Set #31 Headsock 150 millijoules per spark up

150 millijoules per spark up to 15

which helps control head and neck roll

With precise resolution and ultra smooth needle movement

70 in Long

PEM Premium Quick Change Gears - Set #31 Headsock 150 millijoules per spark upHigh Strength Alloy Steel for higher HP cars with bigger tires. LW Drilled. 1. 5 lbs. lighter decreases your rotating weight. REM(R) polished for less friction and longer life. QC Gears run cooler with REM(R) finishing! PEM Racing (Performance Engineering and Manufacturing) offers a wide selection of quick change gear sets, ring and pinion gears, differential cases, and other rear end components. Product Description: Quick Change Gear Set Premium Set