Engineered to surpass the limitations of stock head bolts, for 625+ hp
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Engineered to surpass the limitations of stock head bolts, for 625+ hp
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Rev Higher without worry, requires single groove valve keepers
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This product was last offered at the strikethrough price on
02-09-2026
High quality performance valve springs and titanium retainers
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High-strength cylinder head stud set
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A complete set of 12 cylinder head bolts
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One time use bolts to secure the cylinder head to the block. 12 required
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This product was last offered at the strikethrough price on
05-02-2026
A complete set of 12 cylinder head bolts
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2X Entries For Our G87 M2 Sweepstakes!
Pro-Series 18.8 Steel
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For 2015-2016 Models Only