- New 35.5x33 Manley valves

- New HD seats and GB guides

- 4-angle valve/seat job

- Ported and polished

- Flow bench tested

- New single HD springs

- New HD retainers

- New HD keepers

 

Up to 120HP with the right carb/cam/rocker and compression ratio!

 

Do you need more info?

info@Proformance-Belgium.com