Ready to go Race Head using aftermarket GX390 style large port casting. Heads are ported, bead blasted, flowed, & milled. Oversize Stainless Valves. Heads can be fitted with either single or dual springs. Single Springs recommended for 306 and smaller cams. Dual for 307 and larger cams.
Includes
Ported, Polished, & Bead Blasted
Stainless Intake & Exhaust Valves
Aluminum or Titanium Retainers
Split Keepers
HD single or dual springs
Valve Spring Shims
3 angle Valve job
Milled to spec
Heads are typically built to order, Allow 1 to 3 days to ship
Product delivered in very timely manner as stated on website. Product qty is great will def order through again
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Jason brown from DECATUR, IL United States
November 28, 2021
Head
Very happy with the quality. Can't wait to put it on & see how it runs. Already been showing everyone the quality. I'm sure more people I know will be ordering one soon. Ty Jason
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Marc Stobinski from Bridgewater, NJ United States
September 1, 2021
460 racing head.
Beautiful machine work and quality parts. Will install soon. Time to win some races again.
