Part number: FCPPA8450V8FSI Manufacturer: FCP Engineering Forged high performance pistons for various applications in nearly all engine types for racing and street use. Made of 4032-T6, piston skirt is molibden coated. Each set of pistons also includes rings and HD series pins. Bore size: 84.50mm Compression ratio (CR): 9.5:1 Pin diameter: 22mm Stroke: 89.00mm Audi RS6 C7, RS7 - 4.0 32V TFSI V8 Biturbo
Valve springs data Installed seat pressure: Intake valve spring - 25kg, exhaust double valve spring - 36kg Load: Intake - 56kg@10.5mm, exhaust - 84kg@10.5mm Max lift: intake - up to 11mm, exhaust - up to 12.7mm Made from chrome-silicon steel SAE9254-V 18 pcs. intake valve single springs 12 pcs. exhaust valve double springs 18 pcs. intake titanium retainers 12 pcs. exhaust titanium retainers Fits all V6 2.7 2.8 3.0 30V Turbo/NA Audi / VW engines. With this set the risk of valve flutter and a possible engine failure is minimized. Recommended for engines with series and racing camshafts and over 7600 RPM. Titanium retainers are very strong and light, they help to eliminate valve float. Weight is only 9 and 4 g.
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