Product Description
Lock down your Duramax valve covers with race-proven ARP hardware. The ARP 100-7534 Valve Cover Bolt Kit – Hex delivers consistent clamp load and a leak-free seal on 2004.5–2016 GM 6.6L Duramax (LLY/LBZ/LMM/LML) engines. Premium 8740 chrome-moly fasteners with a black-oxide finish resist stretch and corrosion, while precise shoulder length and thread engagement protect gaskets and covers during service. Includes ARP Ultra-Torque™ fastener lubricant for accurate torque values and repeatable results.
Fitment
- 2004.5–2006 GM 6.6L Duramax LLY
- 2006–2007 GM 6.6L Duramax LBZ
- 2007.5–2010 GM 6.6L Duramax LMM
- 2011–2016 GM 6.6L Duramax LML
Cross Reference & Recommended ARP Upgrades
- Prefer 12-point heads? See ARP 100-7533 12-pt Valve Cover Bolt Kit
- Cylinder sealing under boost: ARP 230-4201 Head Stud Kit
- Bottom-end strength (LB7/LLY): ARP 230-5401 Main Stud Kit
- Balancer retention (’01–’19): ARP 129-2503 Balancer Bolt Kit
- Installation lube (adds torque accuracy): ARP 100-9910 Ultra-Torque™ (10 oz)
FAQ — WHAT ENGINES DOES ARP 100-7534 FIT?
LLY (2004.5–2006), LBZ (2006–2007), LMM (2007.5–2010), and LML (2011–2016) 6.6L Duramax.
FAQ — WHAT’S INCLUDED?
Complete hex-head valve cover bolt set for both covers plus ARP Ultra-Torque™ fastener lubricant.
FAQ — TORQUE SPECS?
Follow ARP’s instructions and always use ARP Ultra-Torque™. Torque evenly in stages on a cool engine.
FAQ — MATERIAL & FINISH?
8740 chrome-moly steel with black-oxide finish for strength and corrosion resistance.
FAQ — WILL THESE STOP SEEPING/LEAKS?
Proper clamp load greatly reduces valve cover gasket leaks when installed on flat, clean surfaces with good gaskets.
Specifications for ARP 100-7534
| Brand | ARP |
| Part Number | 100-7534 |
| UPC | 672036043100 |
| GTIN (EAN/UPC-12) | 0672036043100 |
| Finish | Black Oxide |
| Head Style | Hex |
| Material | 8740 Chrome-Moly Steel |
| Included Lube | ARP Ultra-Torque™ |
| Fitment | 2004.5–2016 GM 6.6L Duramax (LLY/LBZ/LMM/LML) |
| Cross Reference (on-site) | 100-7533 (12-pt); 230-4201 (Head Studs); 230-5401 (Main Studs); 129-2503 (Balancer Bolt) |
| Shipping Info | Ships from CPP Diesel; shipping calculated at checkout; typical ship weight ~2.0 lb |
| E-Codes | N/A (hardware) |
| Prop 65 | WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov |
