E1840P Camshaft Lifters Valve Springs Kit for GM LS Engines

This aftermarket E1840P Camshaft Lifters Valve Springs Kit is designed for selected GM LS-Series engine builds using a compatible 3-bolt, non-AFM/DOD valve-train configuration.

The package includes one E1840P Sloppy Stage 2 hydraulic roller camshaft, 16 hydraulic roller lifters and 16 single beehive valve springs for performance projects where the camshaft, lifters and spring capacity are addressed during the same valve-train service.

The camshaft features .585-inch intake and exhaust valve lift, 228°/230° duration at .050-inch lift, a 112° lobe separation angle and a 108° intake centerline.

Product Features

• Includes one E1840P hydraulic roller camshaft for compatible GM LS performance engine builds.
• Features .585" intake and exhaust valve lift, 228°/230° duration at .050", a 112° lobe separation angle and a 108° intake centerline.
• Includes a complete 16-piece hydraulic roller lifter set for coordinated camshaft and lifter service.
• Includes 16 single beehive valve springs for use with the listed Stage 2 camshaft profile.
• Designed for compatible GM LS engine builds using a 3-bolt cam gear without factory AFM/DOD operation.
• Designed for performance builds where the camshaft, lifters and valve springs are upgraded during the same engine teardown.
  

Item Includes

All components shown in the product images are included

• 1999-2012Trucks/SUVs 4.8L V-8 VIN-V,C,A
• 1999-2007 Trucks/SUVs 5.3L V-8 VIN-T,Z,B
• 1997-2004 5.7L LS1 V-8
• 2001-2005 5.7L LS6 V-8
• 1999-2010 Trucks/SUVs 6.0L V-8 VIN-U,K
• 2005-2009 6.0L LS2 V-8
• 2008-2013 6.2L LS3 V-8; without AFM
• 2006-2013 7.0L LS7 V-8
• Lifters Fitment Also fit Factory Roller 93-97 LT1, and 305-350 Chevy Engines.

OEM Numbers

These OEM reference numbers are used for identification and fitment purposes.

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• Condition New
• Warranty 1 Warranty
• Part Type Camshaft Lifters Valve Springs Kit
• Product Type Aftermarket Performance Kit
• Fitment Type Performance Upgrade
• Engine Family Selected GM LS-Series V8 Builds
• Valve-Train Configuration Non-AFM / Non-DOD
• Installation Position Internal Engine / Valve Train
• Camshaft Reference E1840P / E-1840-P
• Camshaft Profile Sloppy Stage 2
• Camshaft Type Hydraulic Roller
• RPM Range 2200–5400 RPM
• Intake Valve Lift .585 in
• Exhaust Valve Lift .585 in
• Advertised Intake Duration 283°
• Advertised Exhaust Duration 286°
• Intake Duration @ .050 in 228°
• Exhaust Duration @ .050 in 230°
• Lobe Separation Angle 112°
• Intake Centerline 108°
• Cam Gear Attachment 3-Bolt
• AFM/DOD Compatibility Not Compatible
• Valve Spring Quantity 16
• Spring Configuration Single Beehive
• Outer Diameter 1.290 in
• Inner Diameter .885 in
• Installed Height 1.800 in
• Installed Load 130 lb
• Open Height 1.175 in
• Open Load 318 lb
• Spring Rate 313 lb/in
• Coil Bind Height 1.140 in
• Damper Included No
• Lifter Type Hydraulic Roller
• Lifter Quantity 16
• AFM/DOD Configuration Non-AFM / Non-DOD
• Application Compatible GM LS Factory-Roller Applications