Crower AMC 199-258 6-Cylinder (64-83) Compu-Pro Hydraulic Cam (278-HDP)

Engine Make: AMC
Year: 1964-1997
Part Class: Camshaft
Camshaft Name: Ultra Performance Compu-Pro
Camshaft Series: Compu-Pro
Engine Type: Inline 6 Cylinder
Engine Size: 199, 232, 234 (4.0L) & 258 (4.2L)
Product Type: Hydraulic Flat Tappet
Valve Lash: These cams use .000" intake and exhaust valve lash
Lobe center: 112
Advertised Duration: Intake / Exhaust: 278 / 284
Duration @ .050" Lift: Intake / Exhaust: 212 / 218
Lobe Lift: Intake / Exhaust: .289 / .297
Rocker Ratio: Intake / Exhaust: 1.6 / 1.6
Gross Valve Lift: Intake / Exhaust: .462 / .475
CID: All
Performance Level: 4
Low RPM: 2000
Peak HP: 5000
Redline: 5500

Performance Description: Street/strip cam. Super top end power.

Engine Application: Level 4 camshafts are designed for heavily modified engines. They have a definate lope at idle and are best suited for dual purpose hot street/drag strip, hot marine and oval track applications.

Recommended Modifications: Headers, dual exhaust, large cfm carburetor, performance ignition and increased compression of 10.25:1 and above is required. Cylinder head modifications would be beneficial. Use with automatic transmission with high stall torque converter or manual transmission. Close attention to proper ring and pinion gear set and tire diameter is imperative.

Product Characteristics: Definate lope at idle. These grinds exhibit strong mid-range to top end toque and horsepower.

Grind Number: 278HDP
Recommended Kit #1: 84044
Recommended add-on: 86092