Upgrade your LS series V8 engine with this complete valvetrain rebuild kit. Precision engineered for high-performance street and track applications, this kit delivers improved power output, stable valve control and reliable sealing. Fully assembled with all required components for overhaul, ideal for LS1, LS2, LS6, LS7 and non-AFM LS3 engine rebuild projects. Not compatible with AFM/DOD engines.
Fit For LS1 V-8 5.7L 1997-2004
Fit For LS2 V-8 6.0L 2005-2009
Fit For LS7 V-8 7.0L 2006-2013
Fit For LS6 V-8 5.7L 2001-2005
Fit For LS3 V-8 (without AFM) 6.2L 2008-2013
Fit For Trucks/SUVs V-8 VIN-V,C,A 4.8L 1999-2012
Fit For Trucks/SUVs 5.3L V-8 VIN-T,Z,B 1999-2007
12586481, 12499225, HL124, E1840P, 12482063, 12499224, 12586484, PR614S
Camshaft RPM Range: 2200 to 5400 RPM Camshaft Intake Valve Lift: .585" Camshaft Exhaust Valve Lift: .585" Camshaft Advertised Intake Duration: 283° Camshaft Advertised Exhaust Duration: 286° Camshaft Intake Duration at .050": 228° Camshaft Exhaust Duration at .050": 230° Camshaft Lobe Separation: 112° Camshaft Intake Centerline: 108°
Outside Diameter of Outer Spring (in): 1.290 in. Spring Coil Bind Height (in): 1.140 in. Damper Spring Included: No Spring Install Load: 130lbs Spring Install Height: 1.800" Spring Open Height: 1.175" Spring Open Load: 318 lbs Spring Rate (lbs/in): 313 lbs./in. Inside Diameter of Outer Spring (in): 0.885 in. Valve Spring Style: Beehive Not For AFM/DOD
16 x Valve Lifters (HL-2148) 16 x Valve Springs 1 x Camshaft (E-1840-P, E1840P) 1 x Oil Pump (12696357, 12586665) 1 x Intake Seal Set 1 x Valve Seal Set 1 x Timing Cover Gasket Set (TCS45993) 1 x Valley Cover Gasket 1 x Oil Pan Gasket 1 x Exhaust Head Gasket Set 1 x Rear Main Seal 1 x Rear Main Cover Gasket 2 x Multilayer Steel Cylinder Head Gaskets 1 x Harmonic Balancer Bolt 16 x Push Rods (PR-15740S) 1 x Timing Chain Kit
All parts included as shown in the main product image.
Please verify the OE number, vehicle model, engine VIN code and production year before placing your order. This kit is not suitable for AFM/DOD equipped engines. If you have any technical or fitment questions before or after purchase, please contact our support team. All components are precision manufactured and inspected to meet strict quality standards.
1-Year Warranty. This warranty covers manufacturing defects under proper installation and normal operating conditions. Improper installation, misuse or engine modification are not covered.
| Year | Make | Model | Engine |
|---|---|---|---|