Products

Product Description

Features

• 100% CNC ported intake, exhaust & chambers
• A356 aluminum castings and high quality components throughout
• Recommended for displacements up to 400 cubic inches
• Operating up to 6500 RPM

• 8 mm bead lock intake and exhaust valves
• Hydraulic dual valve spring
• 7 degree chromoly retainers
• 7 degree bead lock valve keepers
• ARP 7/16" rocker studs
• Adjustable 5/16 in. guide plates
• Viton valve seals
• Hardened valve spring
• Ductile iron intake and exhaust valve seats
• 8 mm bronze valve guides

• Small Block Chevrolet

• Material: A356 Aluminum
• Intake Port Volume: 195cc
• Intake Port Size: 2.11" H x 1.26" W 5/16 Radius
• Exhaust Port Volume: 64cc
• Exhaust Port Size: 1.45" H x 1.55" W
• Exhaust Port Location: 0.1" Raised
• Combustion Chamber Size: 65cc or 75cc
• Valve Cover Bolt Pattern: Perimeter Bolt
• Valve Angle: 23 deg
• Valve Spring Pocket Diameter: 1.46" O.D
• Max Valve Spring Pocket Machining: 1.75" O.D
• Deck Thickness: 0.75"
• Minimum Bore Diameter: 4"
• Flat Mill: 0.006" per cc 60cc Maximum
• Angle Mill: 0.009" per cc 55cc Maximum
• Minimum Cross Sectional Area: 1.91 sq. in.
• Spark Plug Size: 14 mm x 0.75" with Gasket Seat