New Crankcase

New Crankcase

We only carry new dual relief cases. These cases are far superior to the old single relief cases. The oil galley of the dual relief case is twice as big in diameter and there's more... Click here for more information

Starting at: $28.95


Valve Guides (Type 3)

If you're rebuilding your own heads, you will probably need guides. Oversize guides refer to the outer diameter. Note: When installing, heat the head and freeze the guide; they will go in easier. We advise you not to try this yourself unless you have experience in replacing guides.

Valve Guides
Add to cart

.008 oversize

40hp-1600

If you're rebuilding your own heads, you will probably need guides. Oversize guides refer to the outer diameter. Note: When installing, heat the head and freeze the guide; they will go in easier. We advise you not to try this yourself unless you have experience in replacing guides.
113 101 40108: $4.50

 

Valve Guides
Add to cart

.005 oversize

40hp-1600

If you're rebuilding your own heads, you will probably need guides. Oversize guides refer to the outer diameter. Note: When installing, heat the head and freeze the guide; they will go in easier. We advise you not to try this yourself unless you have experience in replacing guides.
113 101 40105: $4.50

 

Valve Guides
Add to cart

.002 oversize

40hp-1600

If you're rebuilding your own heads, you will probably need guides. Oversize guides refer to the outer diameter. Note: When installing, heat the head and freeze the guide; they will go in easier. We advise you not to try this yourself unless you have experience in replacing guides.
113 101 40102: $4.50

 

Valve Guides
Add to cart

Standard

40hp-1600

If you're rebuilding your own heads, you will probably need guides. Oversize guides refer to the outer diameter. Note: When installing, heat the head and freeze the guide; they will go in easier. We advise you not to try this yourself unless you have experience in replacing guides.
113 101 401: $3.95