GM LS Series
JEGS 200579K Hydraulic Roller Camshaft & Lifter Kit for 1997-2015 GM LS GEN III/IV Engine is designed for GM car and truck applications with a three-bolt camshaft gear attachment and 1.7 ratio rocker arms. This camshaft is a good street/strip performance cam and provides great mid-range and superior top-end power. Requires custom ECU tuning.
JEGS 200579K Hydraulic Roller Camshaft & Lifter Kit Note:
- This hydraulic roller camshaft compares to the camshaft found in GM Crate Motor LSX376/525 and LS376/515 (GM Part number 88958770)
JEGS 200579K Hydraulic Roller Camshaft & Lifter Kit Includes:
Performance Roller Cams for Small Block Ford & GM LS Engines
JEGS Hydraulic roller cams are designed for 1989-1995 Small Block Ford 5.0L, 1987-2002 GM Small Block Chevy, and Select 1997-2015 GM LS-Series (Gen III/IV) engines with 3-bolt cam gear sprocket. These cams work with the OEM Hydraulic Roller Tappets & Retainers. Available as camshaft only (roller tappets not included) and kits including roller tappets and guides.
Do you have to change the valve springs on the 5.7 ls1 engine? or can I leave the originals?
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