This Dart 126311 SHP Series Aluminum Cylinder Head is a redesigned and improved version of the original SHP series 127311 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 126311 Features:

• Revised, exceptionally smooth as-cast 200cc runner design to provide optimum power gains
• Manufactured using an exclusive process using permanent molds
• Exceptionally smooth 64cc combustion chamber
• Powdered metal valve seats with multi-angle valve jobs sized for 2.02 in. Intake and 1.60 exhaust valves
• Magnesium-bronze valve guides sized for .530 in. valve seals
• Straight spark plug angle uses a 14mm .750 in. reach spark plug such as Autolite AR3934 (sold separately) or equivalent

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.

CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART