YIDEZU Stage 2 Camshaft Kit E1840P for GM LS 4.8 5.3 5.7 6.0 6.2 97-13

This complete LS valvetrain rebuild kit is precision built for LS-series V8 engine overhaul and performance upgrades. All components are manufactured to strict quality standards for reliable sealing, improved power delivery and stable high-RPM operation. This kit is not compatible with AFM/DOD engines.

Fitment

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

OEM Reference Part Numbers

12586481, 12499225, HL124, E1840P, 12482063, 12499224, 12586484, PR614S

Camshaft & Valve Spring Specifications

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: 1.290 in.

Spring Coil Bind Height: 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: 313 lbs./in.

Inside Diameter of Outer Spring: 0.885 in.

Valve Spring Style: Beehive Not For AFM/DOD

Items Included

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.

Important Notes

Please confirm the OE part number, engine VIN code, vehicle model and year before ordering. This kit is designed for non-AFM/DOD engines only. If you have technical questions or fitment concerns before or after purchase, feel free to contact our support team. Every component is precision inspected to ensure dependable performance.

Warranty

1-Year Warranty. The warranty covers manufacturing defects under proper installation and normal operating conditions. Improper installation, misuse and engine modifications are excluded from coverage.