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Forged Piston Kits

Cosworth forged pistons are engineered and manufactured in the UK using the same processes developed for their Formula 1 engines. Features include xylan anti-scuff skirt coatings, ultra-strong pins, polished domes, and anti-detonation bands. Each application uses a unique forging to minimize weight and ensure the strongest possible piston. Most applications use a proprietary Cosworth alloy similar to 4032, a high silicon alloy with a low expansion rate and high wear resistance making it ideal for extreme street performance as well as dedicated track applications. Piston kits are priced with rings. Replacement ring sets are also available separately.

Usually ships in 2 to 3 days.

Manufacturer: Cosworth


  • Nissan SR20DET (Silvia S13-15, Pulsar GTi-R, Sunny GTi-R)
Part No. Description Bore Size Price Ea. Add to Cart
10001470 Cosworth Piston & Ring Set SR20DET 8.5:1CR 86.0mm $974.00
10001471 Cosworth Piston & Ring Set SR20DET 8.5:1CR 86.5mm $974.00