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Featuring Cosworth 4032 alloy pistons with a boxed and strutted forging design and low-tension quality Japanese ring package
STI MY257 MY04-06
Piston Type: OEM
Small End Dimensions = 22mm x 21
If you need additional modification such as lowered locking percentage
Valve Cover Gasket Kit FA Parts:Complete Set Featuring Cosworth 4032 alloy pistonsGaskets and seals for re sealing the valve covers. Available as a complete set to re seal a pair of valve covers (LH & RH outer cover gaskets, 4 x spark plug pipe seals) or as individual parts. RTV sealer should be applied across any joint or curved surfaces along the sealing surfaces to ensure a perfect seal. Manufacturer Part Nos: 13270AA250 (RH Gasket) 13272AA180 (LH Gasket) 10966AA042 (Spark Plug Pipe Gasket) What it fits: FA20 FA24 FB20 FB25
