1989-1998 Cummins 5.9L Hamilton Cams 103LB Valve Springs w/ Retainers (07-s-002)1989 1998 Cummins 5. 9L Hamilton Cams 103LB Valve Springs w Retainers (07 s 002) Dual Spring Kit Made in the USA, Includes Retainers & 10 Locks When higher RPM, greater valve lift, stiffer spring pressures, and larger valve sizes exceed a single springs capabilities, its time to upgrade to a dual spring setup. Our American made Dual Valve Springs provide the extra control you need, maintaining precise valvetrain motion and safeguarding against valve

the RBK66 kit ensures maximum clamping force and reliability

not recommended for heavy or frequent towing applications

5-2005 GM Duramax LLY PML Reman Long Block Crate Engine

5-2010 GM Duramax LMM PowerHouse Reman Long Block Crate Engine

and turn with a ratchet or breaker bar—no more guesswork or unnecessary strain

9L Stage 4 Injector Nozzle Set (DDP9498-4NZ)

Unlocking the T93 TCM is essential for maximizing the performance of your transmission

Driven Racing Oil DI50 15W-50 Synthetic Direct Injection Performance Motor Oil (18506)

9L Economy Series Injector Set (DDP8993-ECO)

This newly redesigned compressor wheel is based on the 366SX-E compressor wheel and shares a similar blade profile except it is reverse rotation

unlimited miles limited warranty on it and is truly drop in ready compared to the DIY Balanced Assembly

The Dart Big M2 is designed from the ground up as a true racing engine block which can be used with standard off the shelf big block components