KB Piston Set - 4.065" Bore - 1.5 x 1.5 x 2.5 mm Ring Grooves - SB Chevy (Set of 8) 7-1/8 GM Fullsize Truck 1963-66

GM Fullsize Truck 1963-66

Master Cylinder to 4 AN Male

2007-2007 GMC Yukon XL 1500

1976-1991 Pontiac Sunbird

842" Standard offset

KB Piston Set - 4.065" Bore - 1.5 x 1.5 x 2.5 mm Ring Grooves - SB Chevy (Set of 8) 7-1/8 GM Fullsize Truck 1963-66Product 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,