Product Description
600-13 Ultimate answer for true Wedge Questins - Assembled heads come with roller springs good up to .850in. lift, CNC chambers, porting required - Customer must supply cam specs - Machined exclusively for special Jesel rockers - Valve angle 13 degrees - Stock 440 exhaust bolt pattern - 500 CFM potential air flow - Intake port volume 410cc - Exhaust port volume 134cc - Intake valve diameter 2.400in. - 5.900in. overall length - Exhaust valve diameter 1.94in. - 5.900in. overall length - Titanium 2.450in. intake valve is optional - 70cc combustion chamber volume - Flatr mill .006in. per combustion chamber cc - Can be milled to 60cc - Use Indy Maxx aluminium block with 4.840in. CL - Recommended raised cam 45 degree angle - 4.563in. bore required for 600-13 heads - Bore centerline diameter 4.840in. - Must use spray bar valve covers (440-8S) - 2.100in. spring height, 1.625in. common diameter - Head gasket: copper with o-ringring - Intake gasket Indy '218 - Exhaust header gasket Indy '222 - Head studs: ARP #440-18 - Valve guides 11/32solid bronze - ¾ reach gasket seat spark plugs - Champion C57CX (cold) to C63CX (hot) - Accepts all indy intake manifolds - Head bold torque 70 ft. Ibs. - 7/16-14 Jesel rocker bolts 50 ft. Ibs. The professional at Indy Cylinder Head are determinded to raise horsepower to the nex level, without sacrificing reliability. The 600-13 is a true wedge, 13 degree valve angle head, with the potential of 500 CFM of air flow. The 4.840 bore center line is a necessity to increase valve diameter 2.400in. on the intake and 1.900in. on the exhaust without shrouding the valves. Lightweight, reliable 1100 + HP engines are finally available for the true wedge racer. Build a 655in. cid with these heads and you will have a mid seven second ride with any tube chassis car. A complete 655in. cid Big Wedge Engine weights only 485 Ibs. -Push rod length must be checked - Accepts ball to ball pushrod - Best engine range 605in. cid to 655in.
