2012 - 2013
HARLEY-DAVIDSON DYNA FAT BOB
Replacement piston kit for 103 twin cam standard bore
| DRAG SPECIALTIES
Fits to:
Harley Davidson FXDF 1690 Dyna Fat Bob [2012 - 2013]
Harley Davidson FXDF 1584 ABS Dyna Fat Bob [2012 - 2012
Harley Davidson FXDF 1690 ABS Dyna Fat Bob [2013 - 2013]
Specifications
| Manufacturer | DRAG SPECIALTIES |
|---|---|
| Bore size | 3,875" |
| Compression ratio | 9,6:1 |
| Units | Kit |
| Stroke length | 4-3/8" |
| Piston material | Aluminum |
| Piston diameter | 3,875" |
| Bore - oversize | Standard |
Product description
OEM quality cast aluminum alloy construction Some fitments feature pistons with a coating that extends piston life, reduces friction and allows for cooler running engines Ideal for OEM replacement Economical with great performance, all in one package Kits include two pistons, wrist pins and clips Accept OEM or Hastings rings (order separately)