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Part Number: H86



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Holley aluminum cylinder heads, 175cc intake runners, 63cc chambers, 1986-and-earlier Chevrolet small block.







Features straight saprk plugs, perimeter-bolt valve covers, 1.430" diameter valve springs capable of 0.500" lift, and stainless-steel valves. Fully assembled. These heads can be used on later model TPI engines if an aftermarket dual-pattern manifold base is used. Sold as a pair.

Intake Runner Size: 175cc
Chamber Size: 63cc
Valve Size: 2.02" Int./1.60" Exh.
Heads are 50 state legal for all 1986-and-earlier carbureted engines.
MSRP $1817.99
YEARONE Price: $1,665.83
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WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

WARNING: This product can expose you to chemicals including but not limited to lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride and/or 4, 4'-methylenebis (2-chloroaniline) which are known to the state of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.


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