Product Overview
This high-performance LS engine upgrade kit is built for GM Gen3 & Gen4 LS V8 naturally aspirated engines (4.8L / 5.3L / 5.7L / 6.0L / 6.2L / 7.0L). Equipped with performance camshaft, LS7 lifters, heavy-duty pushrods, beehive valve springs, valve seals and full timing cover gaskets. All parts meet OEM upgrade standards, ideal for engine rebuild, performance modification, fixing rough idle, power loss and abnormal valve train noise.
Compatible Engines & Vehicle List
Engine Code Coverage (Gen3 / Gen4 LS Non-AFM)
- 4.8L V8 1999-2012 (VIN-V, C, A)
- 5.3L V8 1999-2007 (VIN-T, Z, B)
- LS1 5.7L 1997-2004
- LS6 5.7L 2001-2005
- 6.0L V8 1999-2010 (VIN-U, K)
- LS2 6.0L 2005-2009
- LS3 6.2L 2008-2013 (Non AFM Only)
- LS7 7.0L 2006-2013
Chevrolet 5.3L Models
- Avalanche 2007-2013 / Avalanche 1500 2004-2006
- Colorado 2009
- Express 1500 2004-2008; Express 2500/3500 2004-2007
- Silverado 1500 2004-2013; Silverado 1500 Classic 2007
- SSR 2004-2006
- Suburban 1500, Tahoe 2004-2014
- Trailblazer 2006-2008; Trailblazer EXT 2004-2006
Hummer & Isuzu
- Hummer H3 5.3L 2008-2009; H3T 5.3L 2009
- Isuzu Ascender 5.3L 2004-2006
GMC 5.3L Models
- Canyon 2009
- Envoy 2005-2009; Envoy XL 2004-2006; Envoy XUV 2004-2005
- Savana 1500 2008; Savana 2500/3500 2004-2007
- Sierra 1500 2004-2013; Sierra 1500 Classic 2007
- Yukon, Yukon XL 1500 2004-2014
Buick & Cadillac
- Buick Rainier 5.3L V8 2004-2007
- Cadillac Escalade 5.3L V8 2004-2005
OEM Reference Part Number
- Valve Seal: 12482063
- Valve Spring: 12625033, PAC-1218
- Harmonic Balancer Bolt: 12557840
- Camshaft: 12560967, E1840P, E-1840-P
- Valve Lifter: 12499225, HL124, 12595365
- Timing Cover Gasket Set: TCS45993, 12551163, 12557840
Package Contents
- 1 × Performance Camshaft
- 1 × Front Timing Cover Gasket Set
- 1 × Harmonic Balancer Crank Bolt
- 16 × LS7 Lifters with 4 × Lifter Trays
- 16 × PAC-1218 Beehive Valve Springs (0.600" Max Lift)
- 16 × OEM Valve Seals (12482063)
-
16 × 7.400" Length Pushrods
(Refer to main product picture for full accessories)
Camshaft Technical Specs
- Pushrod Size: 7.400" length, 5/16" diameter
- Operating RPM Range: 2200 – 5400 RPM
- Intake Valve Lift: 0.585"
- Exhaust Valve Lift: 0.585"
- Advertised Intake Duration: 283°
- Advertised Exhaust Duration: 286°
- Intake Duration @ 0.050": 228°
- Exhaust Duration @ 0.050": 230°
- Lobe Separation Angle: 112°
- Intake Centerline: 108°
Beehive Valve Spring Technical Specs
- Outer Spring OD: 1.290 in
- Outer Spring ID: 0.885 in
- Coil Bind Height: 1.140 in
- Damper Spring: Not Included
- Install Height: 1.800" | Install Load: 130 lbs
- Open Height: 1.175" | Open Load: 318 lbs
- Spring Rate: 313 lbs/in
- Spring Style: Beehive Design
Purchase Note & Warranty
-
This kit only fits Non-AFM LS engines; Not compatible with AFM/DOD variable displacement motors.
-
Please confirm engine code, VIN, OEM numbers and vehicle year before placing orders.
-
Warranty: 1 Year
| Year | Make | Model | Engine |
|---|---|---|---|
| 1999-2012 | GM | Trucks/SUVs | 4.8L V8 (VIN V,C,A) |
| 1999-2007 | GM | Trucks/SUVs | 5.3L V8 (VIN T,Z,B) |
| 1997-2004 | GM | LS1 | 5.7L V8 |
| 2001-2005 | GM | LS6 | 5.7L V8 |
| 1999-2010 | GM | Trucks/SUVs | 6.0L V8 (VIN U,K) |
| 2005-2009 | GM | LS2 | 6.0L V8 |
| 2008-2013 | GM | LS3 | 6.2L V8 (Non AFM) |
| 2006-2013 | GM | LS7 | 7.0L V8 |
| 2007-2013 | Chevrolet | Avalanche | 5.3L |
| 2004-2006 | Chevrolet | Avalanche 1500 | 5.3L |
| 2009 | Chevrolet | Colorado | 5.3L |
| 2004-2008 | Chevrolet | Express 1500 | 5.3L |
| 2004-2007 | Chevrolet | Express 2500 / 3500 | 5.3L |
| 2004-2013 | Chevrolet | Silverado 1500 | 5.3L |
| 2007 | Chevrolet | Silverado 1500 Classic | 5.3L |
| 2004-2006 | Chevrolet | SSR | 5.3L |
| 2004-2014 | Chevrolet | Suburban 1500 / Tahoe | 5.3L |
| 2006-2008 | Chevrolet | Trailblazer | 5.3L |
| 2004-2006 | Chevrolet | Trailblazer EXT | 5.3L |
| 2008-2009 | Hummer | H3 | 5.3L |
| 2009 | Hummer | H3T | 5.3L |
| 2004-2006 | Isuzu | Ascender | 5.3L |
| 2009 | GMC | Canyon | 5.3L |
| 2005-2009 | GMC | Envoy | 5.3L |
| 2004-2006 | GMC | Envoy XL | 5.3L |
| 2004-2005 | GMC | Envoy XUV | 5.3L |
| 2008 | GMC | Savana 1500 | 5.3L |
| 2004-2007 | GMC | Savana 2500 / 3500 | 5.3L |
| 2008-2009 | GMC | Sierra | 5.3L |
| 2004-2013 | GMC | Sierra 1500 | 5.3L |
| 2007 | GMC | Sierra 1500 Classic | 5.3L |
| 2008-2014 | GMC | Yukon | 5.3L |
| 2004-2014 | GMC | Yukon XL 1500 | 5.3L |
| 2004-2007 | Buick | Rainier | 5.3L V8 |
| 2004-2005 | Cadillac | Escalade | 5.3L V8 |
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