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S&S CYCLE Big Bore Forged Piston Kit - 3.937" Bore - 98" Twin Cam - Standard

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
Note:
  • 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
$157.49

Original: $524.95

-70%
S&S CYCLE Big Bore Forged Piston Kit - 3.937" Bore - 98" Twin Cam - Standard

$524.95

$157.49

Product Information

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
Note:
  • 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
S&S CYCLE Big Bore Forged Piston Kit - 3.937" Bore - 98" Twin Cam - Standard | Lifestyle Cycles