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Description
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.
JE pistons are all designed, forged, and machined in-house, allowing control over every step of the piston-making process. JE Pistons 7+ decades of experience in high-level racing has led to offering premium racing features, including full billet construction, EN plating, and purpose-designed coatings, to name a few.
Features & benefits
- 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
- Accumulator groove (depending on application) helps reduce pressure from combustion gases, reducing ring fluttering and improving ring seal for consistent power
- Skirt coating (depending on application) reduces friction and wear on piston skirts and cylinder walls while simultaneously reducing operating noise
- 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
- Includes high-quality wrist pins, locks, and JE Pro Seal premium piston rings
- Made 100% in the USA
- Forged in the USA using 2618 aluminum, yielding tensile strength and minimal thermal expansion
- Designed specifically for BMW S14B23 Engines. To provide optimized performance durability
- Accumulator Groove: A specialty groove between the top and second ring provides added volume for blow-by gases. This helps reduce pressure between the rings, improving top ring seal and minimizing ring flutter at high cylinder pressures.
- Pin Fit: The pin bore is precision honed to attain an exact pin clearance. Clearances typically range from .0003 to .0010 between the wrist pin and pin bore.
Specifications
| 2nd Groove Width | 0.048 |
|---|---|
| 3D Undercrown Milling | No |
| Accumulator Groove | Yes |
| Add-On | JG1001-3701 |
| Anodize Top Ring Groove | No |
| Bore Diameter | 93.80 |
| Combo 2 | No |
| Compression Height | 1.260 |
| Compression Ratio | 0.54166666666667 |
| Connecting Rod Length | 5.669 IN |
| Contact Reduction | No |
| Country Of Origin | USA |
| Cylinder Head | BMW S14B23 |
| Double Pin Oilers | No |
| DVGP | No |
| Econo Undercrown Milling | No |
| EN Plating | No |
| Engine | S14B23 |
| Engine Displacement | 302 SB |
| Engine Stroke | 3.307 |
| Engine Type | ICE |
| Exhaust Angle | 19.5 |
| Exhaust Depth | .175 |
| Exhaust Diameter | 1.400 |
| Forging Type | Round |
| Gas Distribution | No |
| Industry | Automotive |
| Intake Angle | 18 |
| Intake Depth | .215 |
| Intake Diameter | 1.653 |
| Lateral Gas Ports | No |
| Make | BMW |
| Mill Undercrown | No |
| Oil Groove Width | 0.11100 |
| Oil Ring Thickness | 0.111 |
| Pin Fit | Yes |
| Piston Average Weight | 394 |
| Piston Head Type | Dome |
| Piston Material | 2618 |
| Piston Quantity | 4 |
| Piston Series | JE Pistons |
| Piston To Wall Clearance | -0.003 |
| Piston Volume | 3.60 |
| Product Market | European |
| Product Type | Engine Piston Kit |
| Ring Set - Recommended | JG1001-3701 |
| Ring Set Included | Yes |
| Ring Set Part Number | JG1001-3701 |
| Second Compression Ring Thickness | 0.0480 |
| Skirt Coat | No |
| Smooth Crown Finish | No |
| Thermal Crown | No |
| Top Compression Ring Thickness | 0.0400 |
| Top Groove Width | 0.04000 |
| Tuff Skirt | No |
| Ultra Dome | No |
| Ultra Groove | No |
| Ultra Groove Plus Gas Port | No |
| Vertical Gas Ports | No |
| Wrist Pin Length | 2.500 |
| Wrist Pin Material | 5115 Low Carbon Steel, Case Hardened |
| Wrist Pin Outer Diameter | 0.866 |
| Wrist Pin Wall Thickness | 0.150 |
Warranty
30 Months
Magnuson-Moss Warranty Act
Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)).
California residents
WARNING: This product can expose you to chemicals including nickel, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
Carb Status
California carb status to be completed
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