Upgrade your 2001-2016 GM 6.6L Duramax (LB7/LLY/LBZ/LMM/LML) engine's valvetrain with the PPE 110090080 Valve & Valve Spring Kit. This complete kit replaces your stock intake and exhaust valves for improved performance and durability.

Features:

• Direct Fit: Designed specifically for 2001-2016 GM 6.6L Duramax engines (LB7/LLY/LBZ/LMM/LML)
• Complete Kit: Includes components for both driver and passenger side cylinder heads
• Enhanced Performance:
  • Fully nitrided and reinforced valves for superior durability and reliability
  • Upgraded tapered valve springs with a higher spring rate and lighter weight for faster response at high RPMs and elimination of valve float
  • Springs rated to 126 lbs at installed height and handle 60+ lbs of boost
  • CNC machined chromoly spring seats and retainers for improved longevity
  • 21-4N super alloy, Stellite-reinforced exhaust valves for increased strength
  • All valves are fully nitridated with increased abrasion resistance
• Durable Construction: Premium chromoly material used for spring seats, retainers, and keepers ensures long-lasting performance

Kit Contents:

• 16 Intake Valves
• 16 Exhaust Valves
• 32 Springs
• 32 Spring Retainers
• 32 Spring Seats
• 32 Sets of Keepers
• 32 Valve Seals