S&S CYCLE 31/2" Bore Forged Stroker Piston Kits For Stock Heads Or S&S Performance Replacement Heads - 3.5" - +.020 - Harley-Davidson '84-'99 - 106-5556
by S&S CYCLE
SKU 106-5556
Original price
$880.95
-
Original price
$880.95
Original price
$880.95
$880.95
-
$880.95
Current price
$880.95
🚚 Estimated Delivery: 12 Oct - 19 Oct
CONFIRM FITMENT BEFORE ORDERING
Please confirm fitment for your bike below as we do not accept returns on parts ordered incorrectly.
These forged 3-1/2" bore stroker pistons for 1984-'99 HD® Evolution® big twin engines are required for the S&S 89" stock bore stroker kits, which include S&S 4-5/8" stroke flywheels. Pistons are designed to be used with stock cylinder heads or with S&S Performance Replacement heads. Low silicon forged material and advanced S&S piston skirt design result in high strengh and low noise. 3-1/2" +.020" bore.
- Piston kit includes forged pistons (unless noted) rings, wrist pins and clips for a complete motor replacement
- Made in the U.S.A
NOTE: Piston kits include set of pistons, rings, wristpins, and clips. Recommended cast piston fitment: Close: 0.0008” – 0.0013” Loose: 0.0020” – 0.0025”
NOTE: For stock heads or S&S performance replacement heads.
NOTE: If ordering replacement pistons for older 89" Stroker Kit, the flywheels will need rebalancing.
Specs
| PRODUCT NAME | PISTON KIT |
| TYPE | REPLACEMENT |
| PISTON MATERIAL | FORGED |
| BORE SIZE | 3.500" |
| BORE - OVERSIZE | +0,020" |
| BORE OVERSIZE | +0.020" |
| COMPRESSION RATIO | 9.25:1 |
| DISPLACEMENT | 89" |
| STROKE LENGTH | 4-5/8" |
| PISTON HEAD SHAPE | FLAT TOP |
| UNITS | KIT |
| RIDING STYLE | STREET |