JE 308178S Piston Single (84.50 mm Bore, 1.086 in. CH, -14.00 CC) for AUDI 5.2L FSI R8 V10 Engine

Description JE 308178S Piston Single (84.50 mm Bore, 1.086 in. CH, -14.00 CC) for AUDI 5.2L FSI R8 V10 Engine

JE Pistons applies over 75 years of experience to its range of premium forged racing pistons for European, import, and sport compact applications.

Engineered, forged, and machined 100% in the USA, these pistons are Designed for each specific engine and racing application to provide durability and performance.

• Forged from 4032 aluminum for tensile strength and minimal thermal expansion
• Proprietary Forged Side Relief design minimizes friction and power loss while reducing skirt width, weight, and Wrist Pin length
• Application-dependent skirt coating reduces friction, piston skirt and cylinder Wall wear, and operating noise
• Application-dependent accumulator groove reduces combustion gas pressure and Piston Ring flutter while improving ring seal

Specifications:

• Piston Series: JE Pistons
• Cylinder Head: 5.2L FSI V10
• Bore Diameter: 84.50 MM
• Piston Head Type: Dish
• Compression Height: 1.086 IN
• Piston Volume: -14.00 CC
• Piston Material: 2618
• Piston Quantity: 1
• Forging Type: FSR
• Piston Average Weight: 284 GR
• Ring Set Included: Yes
• Top Compression Ring Thickness: 0.0400 IN
• Second Compression Ring Thickness: 0.0480 IN
• Oil Ring Thickness: 0.111 IN
• Wrist Pin Outer Diameter: 0.787 IN
• Wrist Pin Length: 2.250 IN
• Wrist Pin Wall Thickness: 0.210 IN

Part numbers: 308178S

Special order: imported to order. Contact us for price and availability.