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Part fits the following years: 1965, 1966

Grand Prix Cylinder Head Bolts 326-428 (w/D-Port Head Only), by ARP

Part# G221344

Mfg# 190-3602

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SAVE: $8.96 Retail: $94.95

OPGI Price: $85.99

Brand: ARP
Part Type: (P) High Performance, designed to improve performance
Years: Sold As: SET
2015 Grand Prix Catalog Page: 223
2016 Grand Prix Catalog Page: 231


Maximum clamping force

  • NOTES
  • NOTE1: These high-performance items are not eligible for any further discounts or promotional pricing.

All ARP cylinder head bolt sets are hex head.

Make & ModelYear RangeApplication Details
Pontiac GTO1965-1966 326-428 (w/D-Port Head Only)
Pontiac LeMans1965-1966 326-428 (w/D-Port Head Only)
Pontiac Tempest1965-1966 326-428 (w/D-Port Head Only)
Pontiac Grand Prix1965-1966 326-428 (w/D-Port Head Only)
Pontiac Catalina1965-1966 326-428 (w/D-Port Head Only)
Pontiac Bonneville1965-1966 326-428 (w/D-Port Head Only)
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