CP Pistons SC7657 Toyota 4A-GE 20V Forged Piston Kit
CP Pistons SC7657 Toyota 4A-GE 20V Forged Piston Kit
The CP Pistons SC7657 Forged Piston Kit is engineered for Toyota 4A-GE 20V engine builds, including turbocharged and supercharged applications. Manufactured in the USA from premium 2618 forged aluminium, these pistons are precision CNC machined to deliver exceptional strength, reliability and performance for high-boost street, drag and circuit racing applications. Designed to withstand extreme cylinder pressures, they provide the durability and tuning flexibility expected from CP-Carrillo.
Featuring an 82.00 mm (+1.00 mm oversize) bore, 77 mm stroke compatibility, 122 mm connecting rod length, 30.7 mm compression height, and a 9.0:1 compression ratio, the SC7657 is ideally suited to serious Toyota 4A-GE 20V forced induction engine builds. Deep valve reliefs accommodate high-lift camshafts and +1 mm oversized valves, while accumulator grooves and dual forced pin oilers maximise ring seal and wrist pin lubrication under demanding operating conditions. :contentReference[oaicite:0]{index=0}
Features
Premium 2618 forged aluminium construction
82.00 mm (+1.00 mm oversize) bore
9.0:1 compression ratio
Suits Toyota 4A-GE 20V engine builds
77 mm stroke compatibility
122 mm connecting rod length
30.7 mm compression height
20 mm wrist pin
Deep valve reliefs for high-lift camshafts
Compatible with +1 mm oversized valves
Precision CNC machined and weight matched to ±1 gram
Accumulator grooves for improved ring sealing
Dual forced pin oilers for enhanced wrist pin lubrication
Includes high-performance piston rings, wrist pins and pin locks
Fully CNC machined and manufactured in the USA
Ideal for high-boost street, drag and circuit racing builds
Manufactured to CP-Carrillo's renowned motorsport standards, the SC7657 piston kit delivers outstanding strength, precise fitment and long-term durability, making it an excellent choice for serious Toyota 4A-GE 20V performance engine builds.
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