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 | |
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20002440 | Subaru WRX STi EJ25/EJ20 (2.5L) 11mm |
20002442 | Mitsubishi Evo 4G63 (2.0L) 11mm |
20006025 | Mitsubishi Evo X 4B11T Head Stud Kit |
20002444 | Nissan SR20DET (2.0L) 11mm |
Cylinder Head Stud Kits-ARP | |
PR7243 | Subaru WRX STi EJ25/EJ20 (2.5L) 11mm |
PR7420 | Nissan VQ35 (3.5L) |
PR7767 | Nissan SR20 (2.0L) |
PR7843 | Mitsubishi Evo 4G63 (2.0L) |
PR7422 | BMW MINI Cooper/Cooper S (1.6L) |
Main Stud Kits/Case bolt-ARP | |
PR7424 | Nissan VQ35 (3.5L) Main Stud Kit |
PR7425 | Mitsubishi Evo 4G63 (2.0L) Main Stud Kit |
PR7116 | Mazda/Ford MZR/Duratec (2.3L/2.0L) Main Stud Kit |
PR7426 | Subaru WRX/WRX STi (2.0L/2.5L) Case Bolt set |