B bparks Well-known member Lifetime Membership Aug 12, 2013 #1 M7 Speedwerx sleeper head with 3 sets of domes. All race gas required. I believe 16.7 compression. Including one prototype design dome. Asking $300 +shipping.
M7 Speedwerx sleeper head with 3 sets of domes. All race gas required. I believe 16.7 compression. Including one prototype design dome. Asking $300 +shipping.
