KDD Duramax Performance Valve Spring Kit
- Refundable Core Charge: "Cores" are used parts that can be used in re-manufacture. The Refundable Core Charge is added to your order and when you send your “core” in, we assess the value and will refund up to the Refundable Core Charge amount. +
- Regular Price Plus Core: $699.00 USD
This kit features premium USA Made beehive valve springs, tool steel retainers, locks, spring seats, and valve stem seals for your 2001-2016 Duramax. These kits are spec'd and manufactured to maintain control of the valvetrain in demanding situations, such as higher than stock boost/back pressure, higher RPM, heavy loads and compound turbos/nitrous setups. These are safe enough for every day driving and robust enough for full 1,000+hp competition vehicles. Don't forget to ask about our inconnel valve upgrade for even more demanding applications or our complete cylinder head and/or valvetrain packages.
Kit includes:
32 USA Made high RPM rated beehive valve springs
32 tool steel valve spring retainers
32 spring seats
32 valve stem seals
64 valve locks (keepers)
Install Height: 1.650
Seat Pressure Closed: 112 lbs
Seat Pressure at .400 lift: 218lbs