SKU: ARP190-4003
UPC: 672036004941
MPN: 190-4003
The Pontiac Head Stud Kit 6pt. from ARP is engineered for serious engine builders and mechanics who demand reliability under extreme cylinder pressure. Head bolts are the critical fasteners holding your cylinder head to the block, and factory hardware often fails under high compression, nitrous, turbo, or supercharger loads. ARP's premium studs replace those marginal OEM bolts with aerospace-grade material, ensuring consistent clamping force and eliminating the risk of head gasket failure or catastrophic engine damage during peak power delivery.
ARP head studs utilize ultra-high-strength alloy steel with a tensile strength rating that far exceeds factory specifications, providing superior resistance to relaxation and fatigue cycling. The 6-point design offers maximum contact surface and precise load distribution across the stud face, preventing galling and ensuring uniform preload across all cylinder locations. Unlike single-use bolts, studs can be reused indefinitely when properly torqued to ARP specifications, making them the standard choice for race engines, performance rebuilds, and modified street applications. The included hardened washers and fasteners are precision-manufactured to ARP's exacting tolerances, guaranteeing accurate bolt stretch and repeatable clamping pressure every time.
This kit is ideal for Pontiac engine platforms running elevated boost, compression ratios, or extended power cycles where head lift and gasket compromise are concerns. Whether you're building a 455 big-block, LS-swapped muscle car, or rebuilding a performance street engine, ARP studs provide the safety margin that separates reliability from failure. Installation requires following ARP's specific torque sequences and applying their recommended thread lubricant to achieve proper preload; never use anti-seize, as it alters stretch calculations. Compatible with stock and modified cylinder heads, these studs are a non-negotiable upgrade for any serious engine work and are backed by ARP's reputation for uncompromising quality in motorsports and high-performance applications.
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