S&S CYCLE - BIG BORE FORGED PISTON KIT - 3.937" BORE - 107" TWIN CAM - STANDARD
$514.95
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Product Details
Big Bore Forged Piston Kit - 3.937" Bore - 107" Twin Cam - Standard
Highlights
- Pistons are compatible with stock rods with tapered wristpin ends
- Stock cylinders may be bored to accommodate larger piston
- Bore cylinders to nominal diameter +/- 0.0005" for correct clearance
Notes
- Works with 4-3/8" stroke flywheels to convert 96" or 103" to 107" displacement with 10.4:1 compression with stock heads.
- Deck height is 1.085".
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| Bore - Oversize | Standard |
|---|---|
| Bore Size | 3.937" |
| Compression Ratio | 10.4:1 |
| Displacement | 107" |
| Piston Material | Forged |
| Product Name | Piston Kit |
| Riding Style | Street |
| Stroke Length | 4-3/8" |
| Style | Big Bore |
| Units | Kit |
Notes: BORE SIZE S/B 3.937" 25PJL
Why KleenMoto
Premium Brand Partners
Performance brands we stand behind.
Curated For Harley Builds
Platform-specific parts that make sense.
Parts We'd Run Ourselves
Quality standards we actually believe in.
Trusted Checkout
Safe and easy shopping.