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Rebuilt Engines and Transmissions |
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GEX Hi-Performance Head Upgrades |
Big Valve Heads for Custom Engines
Power Flow Series Racing Heads
These heads feature High Tech 1 piece Stainless Steel Swirl Polished Intake and Exhaust Valves. A whopping 40 x 35.5 mm. In addition, each port opening is template cut to exacting gasket specifications for 1-3/8" exhaust systems and hand blended and polished. Then, for improved flow past the seats, each and every Power Flow head receives a precision ground 3 angle valve job and finally is hand lapped prior to assembly. Each head is finished off with special hardened keepers, heavy duty chromoly retainers and high r.p.m. valve springs.
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GEX Powerflow - Stage 1 |
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These heads feature a mild Port and Polish for optimum velocity and significant increase in flow. Recommended for a mild street or off-road engine. Available from either a New or Rebuilt casting. |
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HE 051-375CUP |
40 mm Intake X 35.5 mm exhaust, 85.5 mm cylinder bore, from New Castings (ea) |
349.00 |
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HE 051-375C/XUP |
40 mm Intake X 35.5 mm exhaust, 85.5 mm cylinder bore, Rebuilt (ea) |
349.00 |
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GEX Powerflow - Stage 2 |
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These heads are the full race Ported and Polished version with unsurpassed quality and meticulous attention to detail. Port diameters are increased up to 12% larger than stock with a flow increase of up to 25%. This head is the perfect choice for your Hi-Performance dream machine. Available from New castings only. |
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HE 052-375CUP |
40 mm Intake X 35.5 mm exhaust, 85.5 mm cylinder bore, New (ea) |
449.00 |
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