When performance matters, the JE Piston Kit should be your go-to solution for upgrading your engine. This professional-grade kit contains all of the essential components necessary to upgrade or replace your existing pistons, making installation as simple as possible. Precision engineering means you can trust that every piece is designed for extreme applications, perfect whether you’re a serious competitor or you just want to experience the maximum performance from your engine. Thanks to the JE Piston Kit, you can get back on the road faster, with confidence that your setup will deliver superior power, agility, and reliability.
JE Piston Kit Rings Pins M8 STD 3.937in Bore 11:1 370243-509
$420.50
- New Part

Availability: IN STOCK
- WI4
Specifications
Condition | New |
SKU# | 370243-509 |
MPN# | 370243 |
Part | Piston Kit |
Piston Diameter | 3.937 in |
Compression Ratio | 11.0:1 |
Displacement | 107 in |
Piston Type | Machined |
Wrist Pin Bearing Included | Yes |
Piston Over Bore Amount | 0 mm |
Piston Skirt Coated | Yes |
Oem Piston Bore Size | 3.937 in |
Vehicle Compatibility
This part fits an additional 101 vehicles.Please use the search box above to find your vehicle.
Year | Make | Model | Submodel |
---|---|---|---|
Harley Davidson | Electra Glide | Electra Glide Standard FLHT |
Description
Additional Note
NOTE: For M-Eight 107" (4.375" Stroke).
Features
- Dome/ dish features smooth flowing radii; require no deburring or preparation
- Pins, pin fitment, lock, and rings included unless otherwise noted
- Machined from 2618-T6 high tensile forged aluminum
- Made in the U.S.A.
Customer Review
We're currently collecting product reviews for this item. In the meantime, here are some company reviews from our past customers sharing their overall shopping experience.
company 4 or 5 stars
Parts was what it showed. Back riding again with no fear or worries with my quick fix and got a used hose that is working great for my 98 Vulcan classic 800
Yes
Scott was a lot of help through Facebook.
Great job
QUICK EXCELLANT SERVICE
we will find out after delivery
Thank you
I dont know how the product will be yet
Fast and easy from previous order
Easy to find with search and good prices.