KB Piston Set - 4.065" Bore - 1.5 x 1.5 x 2.5 mm Ring Grooves - SB Chevy (Set of 8) Black Friday Drag Racing Catalog correcting the rear suspension geometry

correcting the rear suspension geometry and allowing you to add anti-squat for increased traction

Spring Pockets: MAY NOT BE CUT ANY LARGER OR DEEPER THAN 1

Requires no modification to factory blocks

30 in Wide

KB Piston Set - 4.065" Bore - 1.5 x 1.5 x 2.5 mm Ring Grooves - SB Chevy (Set of 8) Black Friday Drag Racing Catalog correcting the rear suspension geometryProduct Description: Piston 4. 0851 in Bore 1. 5 x 1. 5 x 2. 5 mm Ring Grooves Minus 1. 81 cc GM LS Series Set of 8 Created from a high silicon aluminum alloy, KB Performance pistons are lightweight to improve throttle response and RPM changes while still being strong enough to withstand high compression and high temperatures. Each piston is engineered with race ready features like high upper compression ring locations, gas accumulator grooves,