ARP Chevy Rocker Arm Stud Kit

Upgrade the valvetrain hardware on your Big Block Chevrolet engine with the ARP Rocker Arm Stud Kit. Designed for cylinder heads configured for screw-in rocker arm studs, this kit provides high-quality ARP fasteners to securely mount the rocker arms and maintain dependable valvetrain operation in performance, racing and street engine applications.

ARP part number 135-7101 is officially identified as the Chevy Rocker Arm Stud Kit. ARP categorizes the kit under Cylinder Head - Rocker Arm, and the installation instructions identify it as a 7/16" diameter typical Big Block rocker arm stud application. ARP lists the kit for Chevrolet Big Block engines including the 396, 402, 409, 427, 454, 496, 502 and 572.

Product Features:

ARP High Performance Series Rocker Arm Stud Kit
Designed for Chevrolet Big Block Engines
7/16" Diameter Rocker Arm Stud Application
Designed for Screw-In Rocker Arm Stud Cylinder Heads
Compatible with Pushrod Guide Plates Where Applicable
High-Quality ARP Fastener Construction
Designed for Rocker Arm and Valvetrain Retention
Suitable for Aluminum and Cast Iron Cylinder Heads
Ideal for Performance, Racing and Street Engine Builds

Specifications:

Manufacturer	ARP (Automotive Racing Products)
Part Number	135-7101
Product Type	Rocker Arm Stud Kit
Stud Diameter	7/16"
Engine Family	Chevrolet Big Block
Fastener Location	Cylinder Head - Rocker Arm
Aluminum Head Torque	45 ft-lbs
Cast Iron Head Torque	55 ft-lbs

ARP Engine Applications:

Chevrolet - Generic
Chevrolet - Big Block - 396
Chevrolet - Big Block - 402
Chevrolet - Big Block - 409
Chevrolet - Big Block - 427
Chevrolet - Big Block - 454
Chevrolet - Big Block - 496
Chevrolet - Big Block - 502
Chevrolet - Big Block - 572
Chevrolet - Big Block - Generic

Fitment Notes:

Designed for typical Big Block Chevrolet applications using 7/16" rocker arm studs.
ARP officially lists 396, 402, 409, 427, 454, 496, 502 and 572 Big Block Chevrolet applications.
Cylinder heads must be configured for screw-in rocker arm studs.
If the cylinder heads are not already set up for screw-in studs, ARP recommends having a professional machine shop modify the heads.
Pushrod guide plates should be installed where applicable.
ARP specifies 45 ft-lbs for aluminum cylinder heads and 55 ft-lbs for cast iron cylinder heads.
If the studs protrude into an intake port or water jacket, ARP specifies using ARP Thread Sealer.
Verify cylinder head, rocker arm and stud configuration before installation.