Nascar New Late Model Stock World Product Cylinder Heads

65.00 s&h

Details Order

Casting ID Number: I-037

Material: High density cast iron
Valve Seats: Intake (integral), exhaust (hardened)
Valve Guides: Integral cast iron
Spring Seats: Machined for 1.560″ and 1.250″
Valve Diameter: 2.020″” intake, 1.600″ exhaust (11/32″ stem)
Guide Plates: Stock
Rocker Arm Studs: Screw-in style
Rocker Arms: 1.5 ratio (use of 1.6 ratio will require elongation of pushrod holes)
Intake Runner: 200cc, standard port location
Exhaust Ports: 69cc, standard location
Combustion Chamber: 64cc angled plug
Spark Plug: 14mm 5/8″ .460″ reach tapered style. Accel 276 or 276S or equivalent.
Valve Job: Multi-angle intake and radiused exhaust
Valve Cover Rail: Raised w/ perimeter and center bolt pattern
Valve Angle: Stock 23°
Accessory Bolt Holes: Stock
50-State Emissions legal
Accepted by most oval tracks and sanctions as stock replacements.