THE BEST BIG VALVE MODEL 15 HEAD YOU CAN BUY (here's why) So Many Think Putting Big Valves In a Head and Doing Some Grinding Makes aGood Head.There is So Much More to It.These heads are Completely CNC Ported with 1.250" Intake Valve and 1.125" Exhaust valve anddual valve springs.(Note if you order with Roller Rockers there will be an additional $15.00 charge for better valve springs)Epoxy Filled Intake Bowl To Optimize VelocityThe Only Head with CNC Combustion Chamber for Max EfficiencyThe Right 3 Angle Valve JobCNC Milled head gasket surface for Higher CompressionIf You Are Going to Invest In a Performance Head, Make it The BestComplete Animal Big Valve heads with valves and springs. Ready to bolt on and go racing. HERE ARE SOME ADDITIONAL ACCESSORIES TO GET MORE PERFORMANCE: Bigger 28 mm Mikuni Carb? Billet aluminum Intake manifold Bigger Cam?Roller rockersChromoly Pushrods Faster Motors Breather Bypass Kit $39.95 Roller Rockers 1.25 : 1 ratio $189.95 310" lift high perf cam recommended when using 1.25 : 1 roller rockers $129.95 Billet lifters $21.95 pair 28 mm Flat slide Carb $189.95 Air cooled (finned) aluminum intake manifold $59.95 Air filter adaptor $19.95 Air filter $12.95 Using a cam with more that .310" lift may cause the valve springs to coil bind and is NOT RECOMMENDED High performance chrome molly push rod kit $28.95 Upgraded valve springs for roller rockers $19.95
