Featuring Weistec Billet Pistons & Rods! Maintains Factory 11.3:1 Compression
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Featuring Weistec Billet Pistons & Rods! Maintains Factory 11.3:1 Compression
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This cylinder head bolt service kit is for M156 6.3L "63 AMG" engines with plastic valve covers only. Includes Cylinder Head Gaskets.
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For Cars With Plastic Valve Covers Only
This product was last offered at the strikethrough price on
12-29-2025
Complete Set of 20 Main Bolts, Must be replaced each time the cylinder head is removed
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Complete Set of 20 Main Bolts, Must be replaced each time the cylinder head is removed
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This product was last offered at the strikethrough price on
12-29-2025
Designed for High RPM and Racing, Direct Replacement for M156 and standard M159 Valve Buckets
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Fully assembled, and Ready to run heads!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms