Manley Chevrolet LS Piston Set - 3.905in Bore 1.304in CH, -18.00 CC O2 Extensions PERRIN 02-07 Subaru WRX &

PERRIN 02-07 Subaru WRX & STI / 98-07 Forester / 96-04 Legacy & Outback Trans

giving your engine bay a cleaner

unbridling every ounce of potential this truly capable platform can produce

Russell Nitrous Line assemblies are manufactured at the Russell facility and assembled by dedicated Russell professionals

Includes 140mm stainless steel shift rod

Manley Chevrolet LS Piston Set - 3.905in Bore 1.304in CH, -18.00 CC O2 Extensions PERRIN 02-07 Subaru WRX &2618 Alloy Forgings: We use domestic 2618 alloy forgings, ensuring superior strength and performance. Chrome Moly Wrist Pins: Premium Chrome Moly wrist pins come standard with our Standard Series Pistons. For select SKUs, we offer wrist pin upgrades to 9310 and Turbo Tuff DLC alloys, providing additional durability. Exacting Ring Lands and Grooves: We adhere to strict standards for piston ring lands and grooves, resulting in enhanced ring seal and