【Product Overview】
Unlock serious horsepower and torque with the Sloppy Mechanics Stage 2 Camshaft Kit. Designed for GM LS-based engines (LS1, LQ4, L92, L99, etc.), this kit features an aggressive cam profile with .585" lift and 230° duration, paired with high-performance valve springs and chromoly pushrods. Perfect for street/strip builds looking for a noticeable power bump and a throaty idle.
【Key Features】
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Stage 2 Performance: Aggressive cam specs provide significant mid-to-high RPM power gains.
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Complete Kit: Includes Camshaft, Valve Springs, Pushrods, Lifters, and Hardware.
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High-Quality Materials: Chromoly pushrods and durable valve springs ensure reliability under high stress.
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Wide Compatibility: Fits 1997-2007 GM trucks and cars with 4.8L, 5.3L, 6.0L, and 6.2L V8 engines.
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Warranty: Backed by a 1-Year Warranty.
【Camshaft Specifications】
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Type: Hydraulic Roller
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Valve Lift: .585" Intake / .585" Exhaust (with 1.7 Rockers)
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Advertised Duration: 283° Intake / 286° Exhaust
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Duration @ .050": 228° Intake / 230° Exhaust
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Note: Requires 5/8" hole on vertical stop.
【Spring Specifications】
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Outer Spring OD: 1.290 in
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Inner Spring ID: 0.885 in
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Install Height: 1.800 in
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Install Load: 130 lbs
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Open Height: 1.175 in
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Open Load: 318 lbs
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Spring Rate: 313 lbs/in
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Coil Bind Height: 1.140 in
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Damper Spring Included: No
【Package Includes】
- 1 x Sloppy Mechanics Stage 2 Camshaft
- 16 x Valve Spring Sets
- 16 x Chromoly Pushrods (7.400" length, 5/16" diameter, .080" wall)
- 16 x Valve Lifters & Trays
- 1 x Camshaft Bolt
【Vehicle Fitment】
Compatible with GM Chevrolet, GMC, and Buick vehicles (1997-2007) equipped with LS-based V8 engines:
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Engines: 4.8L, 5.3L, 5.7L, 6.0L, 6.2L (LS, LQ4, L92, L99, LSX, etc.)
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Models: Silverado, Sierra, Tahoe, Yukon, Escalade, GTO, Trailblazer SS, and more.
【Reference OE Numbers】
E1840P, E-1840-P, PAC-1218, HL2148S, PR-15740S, TCS45993, 12557840, 12499225, 12551163, 12596365
【Important Notes】
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Professional installation is highly recommended. Proper timing and tuning are essential for optimal performance.
- Please verify your engine type, model year, and part numbers before purchasing.
- This camshaft requires a 5/8" hole on the vertical stop.
- Aftermarket tuning (ECU reflash) is usually required after installation.
| Year |
Make |
Model |
Engine |
| 2003-2007 |
Chevrolet |
Express 1500 |
V8 |
| 2003-2007 |
Chevrolet |
Express 2500 |
V8 |
| 2007 |
Chevrolet |
Silverado 1500 Classic |
V8 |
| 2003-2007 |
GMC |
Savana 1500 |
V8 |
| 2003-2007 |
GMC |
Savana 2500 |
V8 |
| 2007 |
GMC |
Sierra 1500 Classic |
V8 |
| 2002-2004 |
Cadillac |
Escalade |
V8 |
| 2002-2004 |
Chevrolet |
Avalanche 1500 |
V8 |
| 2003-2004 |
Chevrolet |
SSR |
V8 |
| 2000-2004 |
Chevrolet |
Tahoe |
V8 |
| 2003-2004 |
Chevrolet |
Trailblazer EXT |
V8 |
| 2002-2004 |
GMC |
Envoy XL |
V8 |
| 2004 |
GMC |
Envoy XUV |
V8 |
| 2000-2006 |
GMC |
Sierra 1500 |
V8 |
| 2000-2004 |
GMC |
Yukon |
V8 |
| 2000-2004 |
GMC |
Yukon XL 1500 |
V8 |
| 2000-2006 |
Chevrolet |
Silverado 1500 |
V8 |
| 1999-2000 |
Chevrolet |
Silverado 2500 |
V8 |
| 2000 |
Chevrolet |
Suburban 1500 |
V8 |
| 2000 |
Chevrolet |
Suburban 2500 |
V8 |
| 1999-2000 |
GMC |
Sierra 2500 |
V8 |
| 2000 |
GMC |
Yukon XL 250 |
V8 |