JE Pistons V-Twin Ultra Series 2017 Harley-Davidson 2017 + MILWAUKEE 8 Piston Kit

As the leader in forged racing pistons, JE Pistons has been at the forefront of V-Twin and Harley-Davidson piston performance for decades, with over 75 years of experience. JE?s carefully developed line of V-Twin pistons is engineered, forged and machined 100% in the USA and are designed for each specific engine and use application to provide the ultimate combination of durability and performance. From fun and powerful cruisers to all-out V-Twin drag racing, JE Pistons? performance is proven with every handful of throttle. Equip your bike with the best in forged pistons.

• Ultra Series Forging
• Ceramic Crown Coating
• Skirt Coating
• Lateral Gas Ports

Vehicle Specific

• Harley-Davidson M8

Attributes:

• Brand Name: JE Pistons
• GTIN: 00193564557100
• Bore Diameter: 4.310
• Bore Diameter - Web: 4.310 IN
• Compression Height: 1.080
• Compression Ratio: 10.25:1 / 85.5 CC Head
• Connecting Rod Length: 8.014
• Cylinder Head: M8 4V
• Deck Height: -0.005
• Engine: Milwaukee-Eight
• Engine Family: Harley V-Twin
• Engine Stroke: 4.500
• Engine Type: ICE
• File Fit: Yes
• Forging Type: FSR
• Industry: Powersports
• Make: Harley-Davidson
• OEM Bore Diameter: 4.250
• Oil Ring Axial Height: 3.00
• Oil Ring Radial Width: 0.0145
• Oil Ring Thickness: 3.00
• Oversized: Yes
• Oversized Amount: 0.060
• Piston Average Weight: 454
• Piston Head Type: Dish
• Piston Material: 2618
• Piston Quantity: 2
• Piston Series: JE Pistons
• Piston Sub-Series: Ultra Series
• Piston Volume: -17.70
• Product Market: V-Twin
• Product Type: Engine Piston Kit
• Ring Quantity: 1
• Ring Set Included: Yes
• Ring Set Part Number: CSH4434310-1
• Ring Set Thickness: 0.043 IN x 0.043 IN x 3.00 MM
• Second Compression Ring Thickness: 0.043
• Second Ring Axial Height: 0.043
• Second Ring Facing Material: Ductile Iron
• Second Ring Material: Ductile Iron
• Second Ring Radial Width: 0.170
• Second Ring Shape: Napier
• Third Ring Facing Material: Chrome
• Third Ring Material: Chrome
• Third Ring Shape: 3 Piece Oil
• Top Compression Ring Thickness: 0.0430
• Top Ring Axial Height: 0.0430
• Top Ring Facing Material: AP Stainless
• Top Ring Material: AP Stainless
• Top Ring Radial Width: 0.173
• Top Ring Shape: Barrel
• Wrist Pin Included: Yes
• Wrist Pin Inner Diameter: 0.757
• Wrist Pin Length: 2.500
• Wrist Pin Material: 9311 Nickel Carbon Steel Alloy
• Wrist Pin Outer Diameter: 0.927
• Wrist Pin Part Number: 927-2500-17-93C
• Wrist Pin Retainer Diameter: 0.927
• Wrist Pin Retainer Included: Yes
• Wrist Pin Retainer Material: Chrome Silicon
• Wrist Pin Retainer Part Number: 927-073-MW
• Wrist Pin Retainer Quantity: 4
• Wrist Pin Retainer Style: Wire Lock
• Wrist Pin Retainer Thickness: 0.073
• Wrist Pin Style: Straight Wall
• Wrist Pin Wall Thickness: 0.170

Extended Information:

• Country of Origin: United States
• Emissions : Racing or Pre-Emissions Use Only

Packing Information:

• Quantity of Each: 1
• Package UOM: EA
• Dimension: 12 x 6 x 6 inches
• Weight: 6 POUNDS