S&S CYCLE - BIG BORE FORGED PISTON KIT - 3.937" BORE - 98" TWIN CAM - STANDARD
$514.95
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Product Details
Big Bore Forged Piston Kit - 3.937" Bore - 98" 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
- For use on '99-'06 Twin Cam models with S&S 98" big bore kits.
- Works with 4.000" stroke flywheels to convert 88" to 98" displacement with 10.3:1 compression ratio with stock heads.
- Deck height is 1.265".
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| Bore - Oversize | Standard |
|---|---|
| Bore Size | 3.937" |
| Compression Ratio | 10.3:1 |
| Displacement | 98" |
| Piston Material | Forged |
| Product Name | Piston Kit |
| Riding Style | Street |
| Stroke Length | 4" |
| Style | Big Bore |
| Units | Kit |
Notes: Piston kit is for 99-06 Twin Cam with S&S 98" Big Bore Kit (3.937" bore)
Why KleenMoto
Premium Brand Partners
Performance brands we stand behind.
Curated For Harley Builds
Platform-specific parts that make sense.
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Quality standards we actually believe in.
Trusted Checkout
Safe and easy shopping.