E1840P Stage 2 Camshaft Kit GM Chevy 4.8L 5.3L 6.0L LS LQ4 1999-2007

Product Overview​
This high-performance complete camshaft kit is exclusively designed for GM Gen3 V8 naturally aspirated engines. Equipped with upgraded high-lift camshaft, heavy-duty push rods, premium beehive valve springs and full set of timing gaskets. All components are manufactured under strict OE specifications, perfectly upgraded for engine daily maintenance, overhaul and performance modification, effectively optimizing valve train operation and boosting overall engine power.​

Compatible Engine​
•Gen3 LR4 4.8L V8 | 1999-2006​
•Gen3 LM7 5.3L V8 | 1999-2007​
•Gen3 LS1 5.7L V8 | 1997-2004​
•Gen3 LS6 5.7L V8 | 2001-2005​
•Gen3 LQ4 6.0L V8 | 1999-2007​
•Gen3 LQ9 6.0L V8 | 2002-2007​

Critical Compatibility Notice​
Important Incompatible Reminder: This camshaft assembly cannot be used on engines with original AFM/DOD cylinder deactivation system, including L76, LY5, LMG, LC9, LH8, MH1, LZ1 and LFA. This kit is only recommended for engines with non-VVT fixed timing system. Please double-check your original engine configuration before placing an order to avoid wrong purchase.​

OE Reference Part Number​
•Valve Spring: 12706568, PAC-1218, 12586484​
•Push Rod: 10238852, 500704, EPR614, MPR614​
•Camshaft: E1840P, 22205, E-1840-P​
•Timing Gasket Set: TCS45993, 12633904​

Product Features​
The upgraded beehive-style valve spring is professionally engineered for high-lift camshafts and aggressive valve train modifications. It features a spring rate of 313 lbs./in, 130 lbs installed load at 1.800 inch, and 318 lbs open pressure at 1.175 inch. It maintains excellent stability under high-load operation, realizes accurate valve control, reduces operating failure and extends the service life of the entire valve train system.​

After-sales & Purchase Tips​
Please confirm your vehicle year, model and detailed engine parameters before purchase. We provide 1-year official warranty and dedicated after-sales support for all products. Any questions about compatibility and installation, feel free to contact our customer service team anytime.