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Pioneer Performance Cylinder Head Fasteners
Head Bolt Kit
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Estimated Ship Date: Mar 16, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
851201
Part Type:
Product Line:
Summit Racing Part Number:
PIO-851201
UPC:
727993159903
Fastener Style:
Bolt
Undercut Stud:
No
Head Style:
12-point
Fastener Material:
8740 chromoly
Fastener Color:
Black
Washers Included:
Yes
Quantity:
Sold as a kit.
Notes:
Fits early Bowtie cylinder heads.
Pioneer Performance Cylinder Head Fasteners
Pioneer performance cylinder head fasteners have the right stuff to bolt your heads securely. The fastener kits are available for thousands of applications—and all offer 8740 chromoly nickel material, heat-treating to 180,000 psi, centerless grinding, thread rolling after heat-treat, and cold-forming of the underhead radius. These processes mean that your Pioneer performance cylinder head fasteners will have the right material that delivers the right tensile and fatigue strength to complete your installation with confidence.
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Some parts are not legal for use in California or other states with similar laws / regulations
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