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Cosworth Performance Racing Parts

Cosworth Performance Head Studs

Cosworth Head Studs

Essential for high performance engine builds, heavy duty head studs reduce cylinder head movement in high boost or high compression engines optimizing cylinder head to block sealing. Cosworth Ultra High Performance Head Studs are manufactured from H11 tool steel with 260,000psi tensile strength and come complete with nuts and washers. Manufactured with hex broach end for ease of installation.


Cosworth Ultra-High Performance Cylinder Head Stud Kits-H11
20002440Subaru WRX STi EJ25/EJ20 (2.5L) 11mm
20002442Mitsubishi Evo 4G63 (2.0L) 11mm
20006025Mitsubishi Evo X 4B11T Head Stud Kit
20002444Nissan SR20DET (2.0L) 11mm
Cylinder Head Stud Kits-ARP
PR7243Subaru WRX STi EJ25/EJ20 (2.5L) 11mm
PR7420Nissan VQ35 (3.5L)
PR7767Nissan SR20 (2.0L)
PR7843Mitsubishi Evo 4G63 (2.0L)
PR7422BMW MINI Cooper/Cooper S (1.6L)
Main Stud Kits/Case bolt-ARP
PR7424Nissan VQ35 (3.5L) Main Stud Kit
PR7425Mitsubishi Evo 4G63 (2.0L) Main Stud Kit
PR7116Mazda/Ford MZR/Duratec (2.3L/2.0L) Main Stud Kit
PR7426Subaru WRX/WRX STi (2.0L/2.5L) Case Bolt set
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