Dart Special High-Performance (SHP) Assembled Aluminum Cylinder Head for Small Block Chevy (200cc)
301-126422
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200cc Intake Runners
This Dart 126422 SHP Series Aluminum Cylinder Head is a redesigned and improved version of the original SHP series 127422 head, and it delivers power increases at a budget-friendly price. Enhanced features include raised ports, dense aluminum alloy construction using proprietary permanent molds resulting in smooth as-cast intake runners, exhaust runners, and combustion chamber.
Dart 126422 Features:
- Fully assembled with valve springs, steel 10° retainers, Viton valve seals, hardened valve spring cups, 3/8 in. rocker arm studs, and adjustable guide plates included
- Valve springs with 1.437” OD dual springs for use with max .650”lift Hydraulic Roller or Solid Flat Tappet camshafts
- Revised, exceptionally smooth as-cast 200cc intake runner design to provide optimum power gains
- Exceptionally smooth 72cc combustion chamber
- Manley stainless steel 2.02 in. intake and 1.60 in. exhaust valves
- Powdered metal valve seats with multi-angle valve job
- Magnesium-bronze valve guides with .530 in. Viton valve seals
- Manufactured using an exclusive process using permanent molds
- Straight spark plug angle uses a 14mm .750 in. reach spark plug such as Autolite AR3934 (sold separately) or equivalent
- Sold individually
Specifications:
Motor Vehicles
WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.
Tools:
WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.
Electrical Cords
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.