CP Forged Piston Set, BMW S85 84 mm Stroke Compression Ratio:10:1 Upgrading from factory main bolts

Upgrading from factory main bolts to ARP Main Studs is a simple

Proven on and off the track

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Ferrea Competition Plus Valves are widely recognized as one of the most dependable extreme duty valves available

CP Forged Piston Set, BMW S85 84 mm Stroke Compression Ratio:10:1 Upgrading from factory main boltsCP Carrillo represents the highest quality pistons on the market, engineered for maximum power and durability. Utilizing high strength, lightweight materials and advanced engineering, this BMW S85 Stroker piston set features: Lightweight Design: CP Carrillo pistons are made from high strength, lightweight materials, such as forged aluminum alloy. Reduced piston weight contributes to improved engine responsiveness and acceleration. Advanced