Stock long bolt with washer is 3.501" in length. S&S® long bolt is 3.284" in length. Short bolt with washer is 2.070" in length. Kits are an 8 pack.
| HEAD BOLTS for 1999-'06 BIG TWINS |
| Engine Displacement |
Stroke |
Cylinder Length |
Cylinder Head Type |
Short Bolt w/Washer |
Long Bolt w/Washer |
Head Bolt Kit |
107"
|
4 1/4"
|
4.975"
|
Stock
|
93-3031
|
93-3037
|
93-3012 |
| S&S |
– |
93-3030 |
93-3070 |