
S&S CYCLE Big Bore Forged Piston Kit - 3.937" Bore - 98" Twin Cam - Standard
Features
- 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
- 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".
Specs
| Product Name | Piston Kit |
| Style | Big Bore |
| Piston Material | Forged |
| Bore Size | 3.937" |
| Bore - Oversize | Standard |
| Bore Oversize | Standard |
| Compression Ratio | 10.3:1 |
| Displacement | 98" |
| Stroke Length | 4" |
| Units | Kit |
| Riding Style | Street |
Original: $524.95
-70%$524.95
$157.49Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Features
- 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
- 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".
Specs
| Product Name | Piston Kit |
| Style | Big Bore |
| Piston Material | Forged |
| Bore Size | 3.937" |
| Bore - Oversize | Standard |
| Bore Oversize | Standard |
| Compression Ratio | 10.3:1 |
| Displacement | 98" |
| Stroke Length | 4" |
| Units | Kit |
| Riding Style | Street |















