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Part fits the following years: 1968, 1969, 1970, 1971, 1972, 1973, 1974

Bonneville Cylinder Head Studs 455 w/Round Port Head (Hex Head), by ARP

Part# G221350

Mfg# 190-4003

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SAVE: $14.96 Retail: $164.95

OPGI Price: $149.99

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


Made from superior grade steel

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

For starters, ARP uses a premium-grade 8740 alloy that is rated far superior to even aircraft quality alloys. Then, each stud is placed vertically in a special racking system and heat-treated. All studs are ground to make them as close to perfectly concentric as possible. Because of this attention to detail and manufacturing process, that's geared towards such exacting tolerances, you will notice that gaskets and cylinder heads literally glide into position and are perfectly aligned—something that won't happen with inferior-quality head studs. See for yourself! Today's top engine builders say ARP head studs are clearly the finest in the market.

G221354 – 400 CID with Edelbrock aluminum heads (12-pt.) G221348 – ’67 400-428 and 350, ’68-77 400-428, 400 RA II and IV, 455 (hex) G221349 – ’67 400-428 and 350, ’68-77 400-428, 400 RA II and IV, 455 (12-pt.) G221350 – H.O. and super-duty (hex) G221351 – H.O. and super-duty (12-pt.)

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