Wagler Billet Main Caps, 2001-2016 LB7/LLY/LBZ/LMM/LML
Fits: 2001 thru 2016 Chevy Silverado/GMC Sierra 2500HD/3500HD LB7/LLY/LBZ/LMM/LML Duramax Diesel
Designed and machined in house at Wagler Competition, these billet engine main caps increase strength and block rigidity for stock or built trucks.
Features:
- Adds strength to the bottom end
- Can be used with or without the main girdle
- Made in the USA
Notes:
- Must be line bored
- For extra strength, pair with main girdle
Original: $933.33
-65%$933.33
$326.67
Description
Fits: 2001 thru 2016 Chevy Silverado/GMC Sierra 2500HD/3500HD LB7/LLY/LBZ/LMM/LML Duramax Diesel
Designed and machined in house at Wagler Competition, these billet engine main caps increase strength and block rigidity for stock or built trucks.
Features:
- Adds strength to the bottom end
- Can be used with or without the main girdle
- Made in the USA
Notes:
- Must be line bored
- For extra strength, pair with main girdle















