• Cast out of 356 aluminum and heat-treated to T-6 specifications
• Feature 35% gain at peak torque, 92% gain at peak horsepower over stock with the use of aftermarket cam (Edelbrock 1740 grind, DS-199197), carburetor and pipes
• Broad power curve for excellent driveability and crisp throttle response throughout the rpm range
• Rectangular-shaped intake port increases surface area of the floor for noticeable airflow increase
• The .125” raised rectangular intake port also helps to increase velocity of incoming air for more power
• The 72cc combustion chamber increases compression ratio from 8.5:1 to 9.5:1
• Heads will accept up to a .570 lift cam and bore size up to 313/16” (some machining required)
• Street-legal in all 50 states; patent pending
• Heads require the use of Edlebrock three-piece manifolds (sold separately)
• Replacement components available separately; made in the U.S.A.

“Complete” heads come assembled with stainless steel valves (1.850” intake and 1.610” exhaust), ductile iron seats and guides, 1.460” o.d. valve springs, Teflon® valve stem seals, retainers and locks, 14mm spark plug hole and 1/2’’ cylinder bolt size.