E1840P Camshaft Lifters Oil Pump Timing Chain Kit with 7.400 Pushrods for GM LS Engines

Overview

This aftermarket E1840P Camshaft Lifters Oil Pump Timing Chain Kit isdesigned for compatible GM LS-Series engine builds using a 3-bolt,non-AFM/DOD valve-train configuration and an M295-compatible oil-pump application.

The package includes one E1840P Sloppy Stage 2 hydraulic roller camshaft,16 hydraulic roller lifters, 16 nominal 7.400-inch pushrods, one M295-reference oil pump, timing-chain components, lifter guides, cylinder-head and intake-gasket components, and related installation bolts.

The camshaft features .585-inch intake and exhaust lift, 228°/230°duration at .050-inch lift, a 112° lobe separation angle and a 2200–5400 RPM operating range.

Product Features

• Includes one E1840P hydraulic roller camshaft for compatible GM LS performance engine builds.
• Features .585" intake and exhaust lift, 228°/230° duration at .050" and a 2200–5400 RPM range. This profile is intended for modified engine applications rather than towing or universal stock replacement.
• Includes a complete 16-piece hydraulic roller lifter set for coordinated valve-train service.
• Includes 16 PR614S-reference steel pushrods. Elgin’s catalog lists an actual length of 7.393 inches, commonly sold as nominal 7.400-inch pushrods.
• Includes one M295-reference oil pump for compatible GM LS lubrication-system service. Exact engine RPO and pump application must be verified before installation.
• Includes timing-chain components for camshaft-drive service. The exact chain, sprocket, guide and tensioner contents should follow the warehouse packing list.
• Includes lifter-guide components for positioning the hydraulic roller lifters. Part number 12595365 identifies a GM LS valve-lifter guide application.
• Includes gasket components associated with references 12589226 and MS98016T. The former is a GM cylinder-head gasket reference, while MS98016T identifies an LS truck intake-manifold gasket set.

Specification:

Camshaft Compatibility:

• for Chevy LS-Series Engine 1997-Up
• Not for use with AFM/DOD
• 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°
• Camshaft Cam Gear Attachment: 3-Bolt

Number of Springs Per Valve: Single

• Outside Diameter of Outer Spring (in): 1.290 in.
• Spring Coil Bind Height (in): 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 (lbs/in): 313 lbs./in.
• Inside Diameter of Outer Spring (in): 0.885 in.
• Valve Spring Style: Beehive

Set of 16 Elgin Roller Lifters for 1997-2015 Chevy/GM LS Series Factory Roller applications without Active Fuel Management.

M295(12586665) Oil Pump

Pushrod Details:

• Overall Length of 7.400"
• Overall Diameter of 5/16"
• Wall Thickness .080"
• Material: 4130 Chrome Moly

LS1 Rocker 
Specification:

• Condition: 100% Brand New
• Model Number: I75656
• Product Name: Rocker Arms W/Trunion Kit Installed
• Material: Steel
• Color: Silver
• Type: Rocker Arm
• Rocker Arm Size: 71mm/2.8" x 41mm/1.61" (LxW)
• Bolt Size: 52.6mm/2.07" x 12.7mm/0.5" (LxW)