These heads are bolt on ready to go. No core required

Price includes:

-heads, valves, seats, springs, retainers, and port job. We have teamed up with RYKER RACING to offer these awesome heads.

Heads are made upon order and can take to approximately 8 weeks to make

Good for 7500 rpm.

Flow numbers can vary slightly since these are hand ported

These yield HUGE (over 150%) gains over stock

Stock flow:

intake - exhaust

.100 - 39 - na cfm

.150 - 53 - 44 cfm

.200 - 69 - 50 cfm

.250 - 77 - 51 cfm

.300 - 80 - 51 cfm

.350 - 82- 51 cfm

.400 - 83 - 51 cfm

.450 - 84 - 51 cfm

Ported flow

intake - exhaust

.100 - 47 - 38 cfm

.150 - 66 - 56 cfm

.200 - 83 - 65 cfm

.250 - 94 - 72 cfm

.300 - 102 - 77 cfm

.350 - 111 - 79 cfm

.400 - 119 - 81 cfm

.450 - 124 - 81 cfm

.470 - 129 - 81 cfm