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Comp Cams Part Number 33-248-4 is an Xtreme Energy 230/236 hydraulic flat tappet camshaft built for Ford 352–428 FE engines (1963–1977). Designed for high-performance street applications, it provides strong midrange power when paired with headers, lower rear gears, and a 2400+ stall converter. This cam is a great upgrade for FE engines needing improved responsiveness without sacrificing drivability.
Xtreme Energy series hydraulic flat tappet camshaft
Excellent midrange torque and horsepower
Ideal for high-performance street FE engine builds
Stronger throttle response with proper supporting modifications
Compatible with factory 1-bolt camshaft gear systems
1,800–6,000 RPM powerband
| Specification | Value |
|---|---|
| Camshaft Type | Hydraulic Flat Tappet |
| Series | Xtreme Energy |
| Engine Family | Ford 352–428 FE (1963–1977) |
| RPM Range | 1,800–6,000 |
| Advertised Duration (Int/Exh) | 274 / 286 |
| Duration @ .050" (Int/Exh) | 230 / 236 |
| Valve Lift (Int/Exh) | 0.562 / 0.565 |
| Lobe Lift (Int/Exh) | 0.327 / 0.327 |
| Lobe Separation Angle | 110° |
| Intake Centerline | 106° |
| Intake Open (BTDC) | 31° |
| Intake Close (ABDC) | 63° |
| Exhaust Open (BBDC) | 77° |
| Exhaust Close (ATDC) | 29° |
| Valve Timing @ .006" | Not specified |
| Gear Attachment | 1-Bolt |
| Usage | Street/Performance |
| Lifter Type | Hydraulic Flat Tappet |
| Warranty | 12 Months |
| UPC | 036584080305 |
| Emissions Code | Not specified |
| Make | Ford |
| California Proposition 65 | Cancer & Reproductive Harm (P65Warnings.ca.gov) |
Make: Ford
Engine Family: 352 / 360 / 390 / 406 / 410 / 427 / 428 FE engines
Model Years: 1963–1977
Recommended Mods: Headers, 2400+ stall converter, lower (numerically higher) gears
