The Melling 22136 is a retrofit hydraulic roller camshaft for Small Block Chevy engines. It delivers .470 inch intake and .480 inch exhaust valve lift with 215 degrees intake and 230 degrees exhaust duration at .050 inch tappet lift. Melling classifies it as a Class 1 grind. The usable power band runs roughly 1500-5000 RPM. It is a retrofit hydraulic roller grind that lets an older flat tappet engine run roller lifters.
Specifications:
- Engine family: Small Block Chevy
- Grind type: Retrofit hydraulic roller
- Valve lift (intake/exhaust): .470 in / .480 in
- Duration at .050 in (intake/exhaust): 215° / 230°
- Advertised duration (intake/exhaust): 284° / 310°
- Lobe centerline: intake 106°, exhaust 114°
- Rocker arm ratio: 1.5:1
- Operating RPM range: 1500-5000
- Melling grind class: Class 1
- Part number: 22136
FAQ
What engine does the Melling 22136 camshaft fit?
The 22136 is designed for Small Block Chevy engines. Confirm cylinder head, valvetrain, and compression match the grind before purchase.
What are the lift and duration specs for the 22136?
It provides .470 inch intake and .480 inch exhaust valve lift with 215 degrees intake and 230 degrees exhaust duration measured at .050 inch tappet lift.
Is this a flat tappet or roller camshaft?
This is a retrofit hydraulic roller camshaft. It allows an engine originally built for flat tappet lifters to run hydraulic roller lifters; verify the correct retrofit roller lifters, link bars, and spider or guides are used.
What RPM range does this cam work best in?
The 22136 is designed to make power from about 1500-5000 RPM, in Melling's Class 1 range.

