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COMP Cams 33-248-4 Xtreme Energy Hydraulic Flat Tappet Camshaft 230/236 Duration

(Ford F-150 1975-76, Mustang 1967-70, F-250 1975-76, Thunderbird 1963-68, F-350 1975-76, Galaxie 500 1963-71, F-100 1975-76 + 36 more models)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

33-248-4
10 reviews
Sale Price

$309.95

In Stock (10+)

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Product Details

The COMP Cams Xtreme Energy 33-248-4 is a hydraulic flat tappet camshaft designed for Ford FE-Series engines (352-428 cubic inch). This performance camshaft delivers excellent power gains from idle to 5,500 RPM, making it ideal for street/strip applications and vehicles with modified engines seeking improved throttle response and mid-range torque.

Camshaft Specifications:

  • Advertised Duration: 268°/274° (Intake/Exhaust)
  • Duration @ .050": 230°/236° (Intake/Exhaust)
  • Valve Lift (with 1.73:1 rocker ratio): .480"/.480" (Intake/Exhaust)
  • Lobe Separation Angle: 110°
  • Valve Timing @ .050": Intake Opens 6° BTDC, Intake Closes 44° ABDC, Exhaust Opens 52° BBDC, Exhaust Closes 2° ATDC
  • Hydraulic flat tappet design for reliable street performance

Key Features:

  • Xtreme Energy lobe profiles for aggressive performance characteristics
  • Broad power band with strong mid-range torque and top-end power
  • Compatible with stock or aftermarket valve springs (verify spring requirements)
  • Requires 2,200-5,500 RPM operating range for optimal performance
  • Recommended minimum compression ratio: 9.0:1

This camshaft is designed for use with hydraulic flat tappet lifters and is compatible with Ford FE-Series engines including 352, 360, 390, 406, 410, 427, and 428 cubic inch variants. Proper valve spring selection and engine preparation are essential for maximum performance and longevity.

Products specifications

Fits

Ford F-150 1975-76, Mustang 1967-70, F-250 1975-76, Thunderbird 1963-68, F-350 1975-76, Galaxie 500 1963-71, F-100 1975-76, F-250 Pickup 1965-76, Fairlane 1964-70, Ranchero 1967-69, Torino 1968-69, F-350 Pickup 1964-76 + 31 more models

Basic Operating RPM Range

1,800-6,000

Cam Type

Hydraulic Flat Tappet

Engine Family

Ford 352-428 c.i. 8 Cylinder (1963-1977)

Intake Valve Lift

0.562

Exhaust Valve Lift

0.565

Camshaft Material

Cast Iron

Cam and Lifter Kit Upgrade

CL33-248-4

K-Kit Upgrade

K33-248-4

SK-Kit Upgrade

SK33-248-4

AMAZON ASIN

B001R9BSQI

Usage

Street/Performance

Assembly Lubricant Included

Yes

Camshaft Gear Attachment

1-Bolt

Lifters Included

No

LOBE SEPARATION

110

Valve Springs Required

Yes

Lifter Type

Hydraulic Flat Tappet

Prop 65

WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov

C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?

Yes, but must meet tailpipe emission standards for year of vehicle.

C.A.R.B. Exempt for On-Road Vehicles?

No

C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?

Yes, but must be a race/competition only vehicle.

C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?

Yes, but must meet tailpipe emission standards for year of vehicle.

C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?

Yes, but must meet tailpipe emission standards for year of vehicle.

Advertised Intake Duration

274

Exhaust Duration at .050 inch Lift

236

Intake Duration at .050 Inch Lift

230

Grind Number

XE274H

Advertised Exhaust Duration

286

Camshaft Series

Xtreme Energy

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