STEP 1 package includes

Chemical clean, pressure and cracktest, k-line guides, multi angle valve job, refaced

Supertech valve seals, assembled compelte

Mild port port and port tidyup, producing 30% more flow increasing torque and power.

Race single springs

recommend 21 psi boost max.

NOTE these heads are built on order using youre old head, we can do exchange on request

EMAIL for details and door to door freight deals.