Products

Product Description

Features

• 100% CNC ported intake, exhaust & chambers
• A356 aluminum castings and high quality components throughout
• Recommended for engines from 302-393 cubic inches
• Operating up to 6000-6500 RPM

• 8 mm bead lock intake and exhaust valves
• Hydraulic Roller Dual Valve Spring
• 7 deg Manley Steel Retainers
• 7 deg Bead Lock Valve Keepers
• ARP 3/8" 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 Ford

• Material: A356 Aluminum
• Intake Port Volume: 185cc
• Intake Port Dimension: 2.05" H x 1.21" W x 3/8 Radius
• Exhaust Port Volume: 70cc
• Exhaust Port Dimension: 1.36" H x 1.36" W
• Combustion Chamber Size: 58cc or 72cc
• Valve Cover Bolt Pattern: Perimeter Bolt
• Valve Angle: 23 deg
• Valve Spring Pocket Diameter: 1.46" O.D
• Max Valve Spring Pocket Machining: 1.63" O.D
• Deck Thickness: 0.75"
• Minimum Bore Diameter: 4"
• Flat Mill: 0.006" per cc 54cc Max (from 58cc)
• Angle Mill: 0.009" per cc 48cc Max (from 58cc)
• Minimum Cross Sectional Area: 2.03 sq. in.
• Spark Plug Dimensions: 14 mm x 0.75" with Gasket Seat
• Head Bolt Diameter: 1/2"