These high compression 3-1/2″ bore forged stroker pistons for 1984-’99 HDbig twins are a high compression option for 89″ stroker kits for 1984-’99 with 4-5/8″ stroke flywheels and S&SSuper Stock heads. 12:1 compression . These pistons may also be used in stock stroke 1200cc HDSportstermodels with S&SSuper Stock heads.10:1 compression. +.010″ oversize.
- Piston kit includes forged pistons, rings, wrist pins, and clips for a complete motor
- 1.1875″ deck height
- For 1200 only with super stock heads.
NOTES:Recommended Piston Fitment: Close .0020″-.0025″ Loose .0030″-.0035″ Cylinders in 1986-’03 883cc HD Sportster Models may be bored from the stock 3″ bore to 3-1/2″ for these pistons.
NOTE:1.1875″ piston deck height.
Fitment Guide
| 2002-2003 |
Harley-Davidson |
1200 XLCP |
– |
– |
| 2002-2003 |
Harley-Davidson |
1200 Custom EFI XLC |
– |
– |
| 1996-2003 |
Harley-Davidson |
1200 Sport XLS |
– |
– |
| 1996-2003 |
Harley-Davidson |
1200 Custom XLC |
– |
– |
| 1991-2003 |
Harley-Davidson |
Sportster 1200 XLH |
– |
– |
Specs
| PRODUCT NAME |
PISTON KIT |
| TYPE |
HIGH COMPRESSION |
| PISTON MATERIAL |
ALUMINUM / FORGED |
| BORE SIZE |
3.500″ |
| BORE – OVERSIZE |
+0,010″ |
| BORE OVERSIZE |
+0.010″ |
| COMPRESSION RATIO |
12.2:1 |
| DISPLACEMENT |
1200 CC |
| STROKE LENGTH |
4-5/8″ |
| UNITS |
KIT |
| RIDING STYLE |
STREET |
Unconditional Satisfaction Guarantee
