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ARP 135-6422 High Performance Wave-Loc Cylinder Head Stud Kit

(Chevrolet Camaro 1967-72, Corvette 1965-74, 2006-07, Impala 1963, 1965-76, Malibu 1966-67, 1973-75, C1500 1990-93, Chevelle 1965-73 + 45 more models)

Manufacturer

Picture for manufacturer ARP

Part Number

135-6422
6 reviews
Sale Price

$11.07

Estimated ship date Friday, November 20

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Product Details

The ARP 135-6422 is a high-performance cylinder head stud kit engineered from premium 8740 chrome moly steel. These precision-manufactured fasteners provide superior clamping force and reliability compared to OEM head bolts, making them essential for performance and racing engines where cylinder head sealing is critical.

Key Features:

  • Manufactured from 8740 chrome moly steel with tensile strength up to 200,000 PSI
  • Forged in-house at ARP using only the finest quality materials
  • Heat-treated using special vertical racks to ensure complete 360-degree penetration
  • Threads rolled after heat-treat to provide up to 10 times longer fatigue strength
  • Precision CNC-machined to exacting specifications for consistent clamping loads
  • Specially designed for optimum reliability in demanding applications

Material Advantages:

The 8740 chrome moly material is a quench and temper steel that delivers excellent toughness with adequate fatigue properties for most racing applications. When threads are rolled after heat-treatment (standard ARP practice), this material provides reliable performance in high-stress environments while remaining cost-effective compared to exotic super-alloys.

Installation Note:

Always follow ARP's torque specifications and use ARP Ultra-Torque fastener assembly lubricant for proper installation and optimal clamping force. Proper installation ensures maximum head gasket sealing and engine reliability.

Products specifications

Fits

Chevrolet Camaro 1967-72, Corvette 1965-74, 2006-07, Impala 1963, 1965-76, Malibu 1966-67, 1973-75, C1500 1990-93, Chevelle 1965-73, Blazer 1973, C10 Pickup 1968-80, Caprice 1966-76, El Camino 1966-75, K2500 1991-2000, Nova 1970 + 39 more models

Bolt/Stud Head

A Style

Very easy and covenant to order, thank you

It was quick and easy order process. The part shipped and arrived in a couple of days. It took less than 20 mins to install. I am very happy. Thank you!

I ordered a set of inner tie rods for my car from Autoplicity and found their prices to be the lowest online for the brand I was looking for. Items were ship out in 2 business days from the original manufacturer. Shipping prices were kind of on the expensive end considering the package size and weight so if Autoplicity adjust their shipping prices to be more competitive, I think their service and pricing would be hard to beat!

greaat price

Great pricing and quick shipping. I'll be using them again for sure.

The one issue that I had was resolved within your 24hr response time. Customer service did a great job.

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