Piston Set, 2618, Dome, 4.155 Bore, 1.125 CD, 0.927 Pin, Set of 8. 1990-pontiac-firebird-esi3548487 which allows it to simply

which allows it to simply be welded into the chassis without cutting the inner wall of the stock mounting location at all

and bushing improvement

These control arms will give you better handling and cornering characteristics because of their design and super stiff boxed steel tubing and polyurethane bushings

Features on-car adjustability for additional clearance and centering aftermarket rear ends

All parts feature greaseable polyurethane bushings and are direct factory replacements

Piston Set, 2618, Dome, 4.155 Bore, 1.125 CD, 0.927 Pin, Set of 8. 1990-pontiac-firebird-esi3548487 which allows it to simplyJE 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.