JE Pistons PORSCHE 3.8L DM KIT Set of 6 Pistons - 274046

As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons for European, import and sport compact applications. Engineered, forged and machined 100% in the USA, JE Pistons are designed for each specific engine and racing application to provide the ultimate combination of durability and performance. From drift track to drag strip, JE Pistons' performance is proven in victory lane time and time again. Equip your engine with the best in forged pistons.

Features & Benefits

• Forged in the USA using 2618 aluminum, yielding high tensile strength needed for high-demand performance applications
• Designed specifically for each engine and use application to provide optimized performance durability
• Proprietary Forged Side Relief (FSR) forging design minimizes friction and power loss with reduced skirt width and saves additional weight with a shorter wrist pin
• Skirt coating (depending on application) reduces friction and wear on piston skirts and cylinder walls while simultaneously reducing operating noise
• Accumulator groove (depending on application) helps reduce pressure from combustion gases, reducing ring fluttering and improving ring seal for consistent power
• Includes high-quality wrist pins, locks, and JE Pro Seal premium piston rings
• Made 100% in the USA

Specifications: Piston Set, 2618, Dome, 4.016 Bore, 1.250 CD, 0.905 Pin, Set of 6.

JE designs are specifically engineered for extreme upplications up to, and including, professional competition

Detailed Specifications

• Exhaust Depth: .135
• Intake Depth: .180 in.
• Top Compression Ring Thickness: 0.0595 in.
• Top Groove Width: 0.05950 in.
• 2nd Groove Width: 0.07 in.
• Second Compression Ring Thickness: 0.0700 in.
• Oil Ring Thickness: 0.119 in.
• Oil Groove Width: 0.11900 in.
• Wrist Pin Wall Thickness: 0.150 in.
• Exhaust Diameter: 1.800
• Bore Diameter: 102.00 mm
• Intake Diameter: 2.050 in.
• Wrist Pin Length: 2.500 in.
• Intake Angle: 25
• Engine Stroke: 3.008 in.
• Cylinder Head: 3.6 Liter
• Engine: 3.6L Aircooled
• Exhaust Angle: 30
• Piston Volume: 38.80 cc
• Piston Average Weight: 494 g
• Connecting Rod Length: 5.000 in.
• Piston Quantity: 6
• Ring Set - Recommended: J660U1-4016
• Forging Type: Round
• Pin Fit: Yes
• Ring Set Included: Yes