Strengthen the bottom end of your BMW N63 / S63 engines with the ARP Head Stud Kit - BMW N63 / S63, delivering far greater clamping force and sealing than the factory fasteners. Engineered by ARP (Automotive Racing Products), this head stud kit is built to the standards demanded by high-performance and motorsport BMW builds.Key Features Designed for BMW N63 / S63 engines Significantly increased clamping force over OEM fasteners Improved head gasket sealing and cylinder head clamping Ideal for stroker, supercharged and turbocharged builds Re-usable — superior to single-use OEM torque-to-yield bolts Manufactured from premium, specially heat-treated materials Available in multiple configuration options to suit your build Supplied by ARP (Automotive Racing Products), trusted by BMW enthusiasts worldwide Product DetailsThe ARP head stud kit for the BMW N63 / S63 replaces the factory cylinder head bolts with high-strength ARP studs/bolts that clamp the cylinder head to the block. Designed for the N63 twin-turbo V8, this is a critical upgrade where forced induction places extreme stress on the head gasket, main caps and connecting rods. Standard torque-to-yield fasteners stretch permanently and lose clamping load over time — ARP hardware restores and increases that clamping force, helping prevent head gasket failure, cap walk and fastener fatigue.Available options for this engine: Custom Age 625+ — a 280,000 psi super-alloy with outstanding fatigue life, the recommended choice for stroker, supercharged and turbocharged builds ARP2000 — a 220,000 psi alloy steel, the proven choice for performance builds and quality rebuilds Supplied with ARP Ultra-Torque fastener assembly lubricant and torqued in stages to ARP’s specification. After initial assembly, complete a full heat cycle and re-torque the fasteners for a lasting, reliable seal.Configuration Options ARP2000 Custom Age 625+ CompatibilityBMW N63 Models BMW F10 550i BMW F12 / F13 650i BMW F01 / F02 750i BMW F15 X5 50i BMW F16 X6 50i BMW S63 Models BMW F10 M5 BMW F12 / F13 M6 BMW F85 X5 M BMW F86 X6 M Why Choose ARP (Automotive Racing Products)? Global leader in performance engine fasteners Premium materials with specialist heat treatment Manufactured in-house in the USA Trusted from street rebuilds to professional motorsport Why Buy from R44 Performance?R44 Performance supplies premium BMW performance and engine-building components trusted by enthusiasts worldwide. BMW specialists Genuine ARP (Automotive Racing Products) products Fast UK & worldwide shipping Expert product support Upgrade your BMW N63 / S63 build with the ARP Head Stud Kit - BMW N63 / S63 — available now from R44 Performance.
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