JE 338250 Piston Kit (4.135 in. Bore, 1.230 in. CH, 6.50 CC) for FORD 302 Engine

Description JE 338250 Piston Kit (4.135 in. Bore, 1.230 in. CH, 6.50 CC) for FORD 302 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: SMALL BLOCK FORD 20 DEG
• Bore Diameter: 4.135 IN
• Piston Head Type: Dome
• Compression Height: 1.230 IN
• Piston Volume: 6.50 CC
• Piston Material: 2618
• Piston Quantity: 8
• Forging Type: Round
• Piston Average Weight: 455 GR
• Ring Set Included: No
• Top Compression Ring Thickness: 1/16 IN
• Second Compression Ring Thickness: 1/16 IN
• Oil Ring Thickness: 3/16 IN
• Wrist Pin Outer Diameter: 0.927 IN
• Wrist Pin Length: 2.750 IN
• Wrist Pin Wall Thickness: 0.150 IN
• Intake Depth: .270 IN
• Intake Diameter: 2.400 IN
• Intake Angle: 20
• Exhaust Depth: S
• Exhaust Diameter: 2.000
• Exhaust Angle: 20
• Top Groove Width: 0.06400 IN
• 2nd Groove Width: 0.06400 IN
• Oil Groove Width: 0.18800 IN
• Small Block