JE 338259S Piston Single (4.470 in. Bore, 1.350 in. CH, -39.00 CC) for FORD Big Block Engine

Description JE 338259S Piston Single (4.470 in. Bore, 1.350 in. CH, -39.00 CC) for FORD Big Block 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: 429 SUPER COBRA JET
• Bore Diameter: 4.470 IN
• Piston Head Type: Dish
• Compression Height: 1.350 IN
• Piston Volume: -39.00 CC
• Piston Material: 2618
• Piston Quantity: 1
• Forging Type: Round
• Piston Average Weight: 599 GR
• Ring Set Included: No
• Top Compression Ring Thickness: 0.0640 IN
• Second Compression Ring Thickness: 0.0640 IN
• Oil Ring Thickness: 0.188 IN
• Wrist Pin Outer Diameter: 0.990 IN
• Wrist Pin Length: 2.930 IN
• Wrist Pin Wall Thickness: 0.180 IN