Dart, SHP 180 Cylinder Head, 64cc Chamber, Aluminum, 180cc/64cc, Assembled, Each, 1.437 Spring (Hyd Roller)
Dart SHP Aluminum Chev SB Heads
Dart's SHP cylinder heads provide a low cost option to those looking for the weight savings cost option to those looking for the weight savigns of an aluminum head for a street performance engine.
·A356-T6 aluminum alloy
·Bolt on compatibility: Standard valve angle and spacing are retained to allow use of off the shelf pistons and valve train components
·Multi-angle intake seats and radiused exhaust seats dramatically increase air/fuel flow
·Hardened exhaust seats are compatible with unleaded gasoline
·Manganese bronze valve guides extend cylinder head life
·Machined for 1.250 or 1.437 diameter valve springs
·Straight spark plug configuration
Assemblies Feature: 2.02"/1.60" 1-piece stainless steel valves, high quality springs, retainers and keepers, guide plate and 3/8" rocker studs. Made in USA.