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LS1, LS6 LS-5.3 LS-6.0 1999-2003 Some 2004 Head Studs
LS1, LS6 LS-5.3 LS-6.0 1999-2003 Some 2004

List Price: $140.00
Our Price: $128.50
Savings: $11.50
Manufacture Alper Motorsports
Manufacture Part Number ALS1999

Quantity in Stock:36
Product Code: ALS1999

Description Technical Specs


This Kits Should Only be Installed by a Experienced Professional Engine Builder
Remove all components and wash with a clean solvent to remove any shipping residue
Coarse treads that go into the block should have a light oil to keep from rusting before install, (do not use any other Lubricant on the coarse studs or they could twist and brake) Never use ARP lube on the Coarse Side,
ONLY hand tighten the studs into the block or 5lbs of Torque, Always use a Calibrated Torque Wrench,

Apply ARP torque Lube on All of the Fine Threads, Make sure the Threads are coated 100% with Lube, only the fine Thread,
Apply ARP torque lube above and below the washers
Apply ARP torque lube on the bottom side of the 12 point nuts, and inside the 12 point nuts,
Head Stud Torque

11mm 60-65ft-lbs
8mm 23 ft-lbs

  • Fits 2004 - Present Day LS Motors
    ARP Lube
    Chromoly Material
    12 point nuts
    Allen Keyed Top
    Black finish
    Dead Stop Bottom
    Metric Block Threads
    TOP THREADS are American Standard 7/16 Fine

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