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Enginetech Stage 1 Performance Camshafts
Engine Camshaft 57-03 CHR/DOD/PLY 4.5L/5.2L/5.6L/5.9L
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Overview
Brand:
Manufacturer's Part Number:
ES1089R
Part Type:
Product Line:
Summit Racing Part Number:
EGN-ES1089R
UPC:
707473079709
Cam Style:
Hydraulic flat tappet
Intake Duration at 050 inch Lift:
204
Exhaust Duration at 050 inch Lift:
214
Duration at 050 inch Lift:
204 int./214 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.420 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.443 in.
Valve Lift with Factory Rocker Arm Ratio:
0.420 int./0.443 exh.
Remanufactured:
No
Computer-Controlled Compatible:
No
Valve Springs Required:
No
Quantity:
Sold individually.
Enginetech Stage 1 Performance Camshafts
Enginetech Stage 1 Performance camshafts are mild aftermarket upgrades designed to improve low-RPM torque and mid-range horsepower while retaining stock-like idle quality and vacuum. Order the duration specs preferred for your application.
Key characteristics:
• Purpose: Built for towing, plowing, RVs, and mild street performance where reliability and driveability are prioritized over top-end racetrack power
• Compatibility: Designed to work seamlessly with stock or lightly modified engines without requiring major supporting modifications like high-stall torque converters or upgraded fuel systems
• Idle and vacuum: Maintains a smooth, stock-quality idle and produces sufficient vacuum to run factory power accessories
• Specifications: Typically features a conservative duration (roughly 200-215 degrees at .050 in. cam lift) and optimized valve lift profiles suited for daily operation within a 1,200–4,000 rpm power range
Applications
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Some parts are not legal for use in California or other states with similar laws / regulations
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