CP-Carillo offers a line of low compression 2618 alloy forged pistons and steel rods for the Subaru BRZ/Scion FR-S FA20 engine.
Pistons include CP-Carrillo’s 51 series wrist pins and their premium CPN ring set which includes a gas nitride steel top ring, taper hook groove second ring, and low tension oil ring. SC7402 Bore STD, CR 9.0 (Turbo) and SC7405 Bore STD, CR 10.0 (Turbo)
Rods (part # SB_AFA20_0HS_5090B6M)are forged from CP-Carrillo’s proprietary 4330M steel alloy for strength. They are also fully machined and shot peened for additional reliability. The rods include premium silicone bronze bushings for full-floating pins and come with CP-Carrillo’s top of the line CARR multiphase fasteners. This design retains the factory eighteen degree split line angle for proper ease of assembly.
Vendor: CP Pistons