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Pro Speed Racing

ARP M11 High Performance 8740 Series Hardened 12pt Head Stud Kit - Mitsubishi Evo 8-9 207-4203

ARP M11 High Performance 8740 Series Hardened 12pt Head Stud Kit - Mitsubishi Evo 8-9 207-4203

Pro Speed Racing

ARP Cylinder Head Stud Kit

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$219.00

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GSC 34mm (STD) Intake Valve Set of 8

Premium Grade 8740 chrome moly steel construction ensures superior strength and durability
Each stud is centerless ground for perfect concentricity and precise fit
Heat treated to 200,000 psi for maximum clamping force and engine sealing
Specially undercut studs for several engines provide consistent clamping and prevent head gasket blow
Complete kit includes hardened parallel ground washers for optimal installation

Summarized by Shop

It is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there’s not a better stud setup on the market today.
For openers, ARP uses a premium grade 8740 alloy that is rated far superior to “aircraft” quality. Each stud is place

Material: Grade 8740 chrome moly steel
Stud Pressure Rating: 200,000 psi
Thread Rolling: Post-heat treatment
Washer Type: Hardened, parallel ground
Compatibility: Most domestic and import engines
Kit Includes: Head studs, washers, hardened washers

Summarized by Shop

Returns accepted within 30 days

Exclusions may apply. See full policy

Pro Speed Racing

4.9 (797)