Usage Matters: Suggest professional installation.
Camshaft Intake Valve Lift: .585"
Camshaft Exhaust Valve Lift: .585"
Camshaft Advertised Exhaust Duration: 286°
Camshaft Advertised Intake Duration: 283°
Camshaft Intake Duration at .050": 228°
Camshaft Exhaust Duration at .050": 230°
Camshaft Intake Centerline: 108°
Camshaft Lobe Separation: 112°
Camshaft Cam Gear Attachment: 3-Bolt
Camshaft RPM Range: 2200 to 5400 RPM
Outside Diameter of Outer Spring (in): 1.290 in.
Spring Coil Bind Height (in): 1.140 in.
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.
Number of Springs Per Valve: Single
Damper Spring Included: No
Fitment: Compatible with LS L92 L99 5.3L 5.7L 6.0L 6.2L V8 LSx Sloppy Stage 2
Compatible with Yukon XL 1500 2000-2004
Compatible with Yukon 2000-2004
Compatible with Yukon XL 2500 2000
Compatible with Sierra 1500 2000-2006
Compatible with Sierra 2500 1999-2000
Compatible with Sierra 1500 Classic 2007
Compatible with Silverado 1500 2000-2006
Compatible with Silverado 1500 Classic 2007
Compatible with Silverado 2500 1999-2000
Compatible with Suburban 1500/2500 2000
Compatible with Express 1500/2500 2003-2007
Compatible with Savana 1500/2500 2003-2007
Compatible with Tahoe 2000-2004
Compatible with Escalade/Avalanche 1500 2002-2004
Compatible with SSR 2003-2004
Compatible with Trailblazer EXT 2003-2004
Compatible with Envoy XL 2002-2004
Compatible with Envoy XUV 2004
Not for use with AFM/DOD
Replacement Number: E1840P, 12499225, 12551163, 12596365, PAC-1218, HL2148S, PR-15740S, TCS45993, 12557840