The AFR Stage 1 Camshaft & OE-Style Lifter Kit for Small Block Chevy engines combines a race-proven hydraulic roller camshaft with precision OE-style hydraulic lifters for a complete valvetrain upgrade. Developed to work seamlessly with AFR Eliminator CNC and Enforcer As-Cast cylinder heads, this kit delivers strong midrange and high-RPM performance in a drop-in solution. The premium camshaft material and matched lifters promote durability, consistent valve control, and reliable operation in high-performance applications.

AFR 5803 Features:

• Complete kit with Stage 1 hydraulic roller camshaft and OE-style hydraulic lifters
• Retro-Fit Hydraulic Roller camshaft design
• Premium 8620 steel core camshaft for strength and wear resistance
• OE-style hydraulic lifters matched to cam profile for reliable valvetrain operation
• Specifically matched to AFR Eliminator CNC and Enforcer As-Cast cylinder heads
• Ideal for high-RPM, strip-focused Small Block Chevy engines
• Computer-controlled compatible

AFR 5803 Specifications:

• Intake duration @ .050 in.: 224 degrees
• Exhaust duration @ .050 in.: 230 degrees
• Valve lift w/ 1.5 rocker ratio: .533 in. intake / .548 in. exhaust
• 112-degree lobe separation angle
• 3-bolt camshaft gear attachment

AFR 5803 Notes:

• Hydraulic Roller camshafts require the use of a cam button to prevent cam walk (sold separately)
• OE Roller engines from 1987–2003 with a stepped-nose cam:
  • Cam retainer plate must be removed and replaced with a cam button
  • OEM timing gear will not fit and must be upgraded to a timing set for earlier Small Block Chevy engines
• Hydraulic lifters are included and intended to be used with this camshaft
• Intended for strip and high-RPM performance use
• Sold as a kit

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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