ARP 100-7532 VALVE COVER BOLT KIT – HEX FOR 2001–2004 GM 6.6L DURAMAX LB7

Product Description

LOCK DOWN YOUR LB7—NO LEAKS, NO GUESSWORK. The ARP 100-7532 Valve Cover Bolt Kit uses premium 8740 chromoly, precision-rolled threads, and a durable black oxide finish to keep your 2001–2004 GM 6.6L Duramax LB7 valve covers sealed under heat and vibration. Hex-head design (8mm socket) makes service a breeze while maintaining factory-clearance. Pair with ARP Ultra-Torque for repeatable clamp load and consistent torque readings. Upgrade once—forget about it.

ARP 100-7532, LB7 valve cover bolts, Duramax 6.6 valve cover hardware, ARP hex head bolt kit, GM 6.6 LB7 fasteners

WHY ARP: Made in the USA, engineered for accuracy, and trusted by diesel builders. If you’re freshening up the top end, consider complimentary ARP hardware like Head Studs 230-4201, Main Studs 230-5401, and the Balancer Bolt 129-2503.

RELATED DURAMAX VALVE COVER KITS: For 2004.5–2016 platforms, see ARP 100-7533 (12-point) and ARP 100-7534 (hex).

FITMENT: 2001–2004 GM 6.6L Duramax LB7 (Chevrolet Silverado 2500HD/3500HD; GMC Sierra 2500HD/3500HD).

WHAT’S INCLUDED: Complete hex-head valve cover bolt set with washers for both LB7 valve covers.

Pro tip: Use ARP Ultra-Torque for final torque; re-torque after one heat cycle if your gasket was recently replaced.

FAQ – DO I NEED ULTRA-TORQUE?
Using ARP Ultra-Torque ensures the torque you apply translates to clamp load. It reduces friction variation and gives consistent results on every fastener.

FAQ – WILL THESE FIT LLY/LBZ/LMM/LML?
No—this kit is for LB7 (2001–2004). For 2004.5–2016 engines, use 100-7533 (12-pt) or 100-7534 (hex).

FAQ – WHAT SOCKET SIZE?
8mm hex head.

FAQ – WHAT’S THE MATERIAL/FINISH?
8740 chromoly steel, black oxide.