JE Pistons 15+ BMW B58B30 / 20+ Toyota B58C30 3.0L Turbo (Size 1.00) Set of 6 Pistons - 371720

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, Inv Dome/Dish, 3.268 Bore, 1.307 CD, 0.866 Pin Dia, Set of 6.

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

Detailed Specifications

• Piston Volume: -12.30 cc
• Exhaust Depth: .140
• Intake Depth: .150 in.
• 2nd Groove Width: 0.048 in.
• Top Groove Width: 0.04800 in.
• Oil Groove Width: 0.07900 in.
• Wrist Pin Wall Thickness: 0.180 in.
• Exhaust Diameter: 1.250
• Intake Diameter: 1.400 in.
• Intake Angle: 18.5
• Exhaust Angle: 19.5
• Wrist Pin Length: 2.250 in.
• Engine Stroke: 3.724 in.
• Piston Average Weight: 317
• Connecting Rod Length: 5.835 in.
• Wrist Pin Material: 5115 Low Carbon Steel, Case Hardened
• Piston Quantity: 6
• Engine: B58B30
• Cylinder Head: B58B30C
• Forging Type: FSR
• Accumulator Groove: Yes
• Pin Fit: Yes
• Skirt Coat: Yes