Piston Set, 2618, Dome, 4.165 Bore, 1.062 CD, 0.927 Pin, Set of 8. 1993-pontiac-firebird-esi6766158 The kit includes a Viking

The kit includes a Viking hybrid front setup with a 550 lb/in spring rate and UMI's race-proven rear bracket system featuring a 225 lb/in spring rate

allowing them to be tailored specifically to the types of engines

and provide a crisper handling experience

UMI has created a kit that effectively repositions the wheel within the wheel house

Piston Set, 2618, Dome, 4.165 Bore, 1.062 CD, 0.927 Pin, Set of 8. 1993-pontiac-firebird-esi6766158 The kit includes a VikingJE Pistons is the leader in forged racing pistons. With 70 plus years of experience, in house forging, and industry leading technology, JE Pistons are designed to perform at the top levels of all forms of motorsports.