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JE, Harley Davidson, 3.937 in. Bore, 2 Cyl. Kit
Your Price: $519.99
SKU: 317212
In Stock
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JE, Harley-Davidson, Twin Cam 107, 10.75:1, 3.937 in. Bore, 2 Cyl. 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.
- 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
- Includes high-quality wrist pins, locks, and JE Pro Seal premium piston rings
- Made 100% in the USA
GTIN: 00193564026644
Piston Series | JE Pistons |
---|---|
Cylinder Head | 2007-2009 TWIN CAM |
Bore Diameter | 100.00 MM |
Compression Ratio Actual | 10.75:1 |
Piston Head Type | Dome |
Piston Volume | 5.00 CC |
Piston Material | 2618 |
Forging Type | Round |
Piston Average Weight | 355 GR |
Ring Set Included | Yes |
Top Compression Ring Thickness | 0.0440 IN |
Second Compression Ring Thickness | 0.0480 IN |
Oil Ring Thickness | 0.111 IN |
Wrist Pin Material | 5115 Low Carbon Steel, Case Hardened |
Wrist Pin Length | 2.500 IN |
Wrist Pin Wall Thickness | 0.150 IN |
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Instructions: Enter a value in the un-shaded boxes below as they pertain to your engine.
Note: For pistons BELOW the block @ TDC – value in box must be a NEGATIVE number (-0.000)
Note: For pistons ABOVE the block @ TDC – value in box must be a POSITIVE number (0.000)
Note: For a DISH piston – value in box must be a NEGATIVE number (-0.0)
Note: For a DOME piston – value in box must be a POSITIVE number (0.0)
Note: Manipulate the DOME/DISH & PISTON to DECK volumes to get the ratio you want.