This Dart 126322 SHP Series Aluminum Cylinder Head is a redesigned and improved version of the original SHP series 127322 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 126322 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 64cc 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

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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