Applicability:
Compatible with LS LS1 LS2 LS3 LS7 LS6 LQ4 LQ9 LY5 LY6 LM7 4.8L 5.3L 6.0L engine
Compatible with SSR/ Envoy/ Trailblazer EXT 2003-2004
Compatible with Escalade/ Avalanche 2002-2004
Compatible with Tahoe/ Yukon 2000-2004
Compatible with Express/ Savana 2003-2007
Compatible with Sierra/ Silverado 1999-2007
Replacement Code:
E1840P, E-1840-P, PAC-1218, HL2148S, PR-15740S
TCS45993, 12557840, 12499225, 12551163, 12596365
Specification:
E-1840-P Engine Camshaft kit:
Engine Type: LS-Series
Camshaft Type: Hydraulic Roller
Intake/ Exhaust Duration: @ .050": 228°/ @ .050": 230°
Intake/ Exhaust Valve Lift: .585"
Lobe Separation: 112°
Intake Centerline: 108°
Advertised Intake/ Exhaust Duration: 283°/ 286°
16pcs PAC-1218 Drop-In Valve Springs:
Outside/ InsideDiameter of Outer Spring (in): 1.290 in/ 0.885 in.
Coil Bind Height (in): 1.140 in.
Install Load/ Height: 130lbs/ 1.800"
Open Height/Load: 1.175"/ 318 lbs
Spring Rate (lbs/in): 313 lbs./in.
Pushrods:
7.400" Chromoly One Piece Pushrods, 5/16" diameter, and .080" wal
12557840 Bolt:
Bolt Type: Hex head style
Bolt size: 16mm x 2.0 thread size/ 4.055" underhead length
16pcs 12482063 Valve Seals:
Valve Type: Intake and Exhaust
Engines: LS1 LS2 LS4 LS6 LQ4 LQ9 LM7 L59 LR4 LM4 L33 L76
Lifters Specs:
Non- AFM engines
Compatible with 5.3 5.7 6.0 LS1 LS2 LS3 LS7 LS6 LQ4 LQ9 LY5 LY6 LM7 1997-2007
Package Contents:
1 x Bolt/ 1x Pushrods/ 16 x LS7 Lifters/ 1 x Gaskets Kit/ 1 x E1840P Camshaft/ 16 x Matching Springs Kit