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v3.60PF/SPS
35-48cc chamber
172cc runner
2.265-2.290 intake valve
1.600-1.650 valve package
Port developed by Darin Morgan for Aussy Pro-Stock. Speier Racing Heads is the ONLY other USA dealer for these heads. In testing they made 2.85 hp/cid. 1140hp at 399.8 cid
Bare w/Valve Job, Hand Finished- $5600
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