SPEC R
Our Spec R Package takes the competition Spec B Head to the next level. Completely redesigned Intake ports, Exhaust ports, and Combustion Chambers are used to maximize Flow and Volume for your street/competition application. These heads are for the Competition Racer or serious enthusiast seeking the very best. This Head is a large valve cylinder head design that works best on large displacement high RPM Engines.

- Teardown
- Fully Degreased & Cleaned
- Complete Visual Inspection r
- Check All Surfaces for Straightness
- Oversized Deshrouded & Polished Combustion Chambers
- Competition Full Runner Port, Polish & Reshape
- Back-Cut Valves
- Enlarged Valve Seats
- Competition Radiused Valve Job
- Hand-Lapped Valves
- Vacuum-Tested Valve Seats
- Installed Valves, Springs and Retainers
- Deck Resurface to Spec
- Cylinder Head Deburred
- Base Flow Bench Test
- Final Flow Bench Test & Cylinder Match
- New Valve Seals
- Intake & Exhaust Manifold Match