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COMP Cams 31-491-9 Xtreme Energy Hydraulic Roller Camshaft Ford Small Block - 206/212 for 221-302

(Ford Grand Marquis 1991-95, F-150 1975-95, Mustang 1964-73, 1979-95, F-250 1963-65, 1969-74, 1977-78, 1980-95, Bronco 1966-77, 1980-95 + 78 more models)

Part of: COMP Cams Xtreme Energy Hydraulic Roller Camshaft Ford Small Block

Other options in this family: COMP Cams 08-423-8 COMP Cams 31-492-9 COMP Cams 08-408-8 COMP Cams 12-412-8 COMP Cams 12-407-8

Manufacturer

Picture for manufacturer COMP Cams

Part Number

31-491-9
9 reviews
Sale Price

$498.52

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The COMP Cams 31-491-9 Xtreme Energy Hydraulic Roller Camshaft is purpose-built for Ford small block 221-302 (5.0L) engines, delivering street-friendly performance with a noticeable power upgrade over stock. With 206°/212° advertised duration (114°/110° duration at .050"), this cam represents the entry point of the Xtreme Energy hydraulic roller lineup — ideal for mild street builds that still demand improved throttle response and increased top-end power.

COMP Cams' Xtreme Energy series leverages an aggressive lobe profile that extracts more performance per degree of duration compared to conventional cam designs, while simultaneously maintaining strong engine vacuum for streetability. This makes the 31-491-9 an excellent choice for daily-driven vehicles, street machines, and light street/strip builds on a Ford 221, 260, 289, or 302 platform.

Camshaft Specifications:

  • Advertised Duration: 206° Intake / 212° Exhaust
  • Duration @ .050": 114° Intake / 110° Exhaust
  • Valve Lift (w/ 1.6:1 Rockers): .447" Intake / .453" Exhaust
  • Lobe Separation Angle: 110°
  • RPM Range: 1,400 – 5,200
  • Cam Type: Hydraulic Roller
  • Application: Ford Small Block 221-302 (1963–1995)

Key Features:

  • Aggressive lobe profile delivers superior throttle response and top-end horsepower vs. equivalent duration cams
  • Maintains strong engine vacuum for use with power brakes and street equipment
  • Hydraulic roller design eliminates the need for valve lash adjustments
  • Compatible with OE hydraulic roller block architecture on applicable Ford 302 engines
  • Available as a camshaft-only (31-491-9) or as a cam and lifter kit (CL31-491-9)
  • Upgraded valve train components recommended — stock components not advised with this lobe profile

The COMP Cams Xtreme Energy 31-491-9 is an ideal foundation cam for a performance Ford small block build, delivering real-world power gains while remaining streetable and vacuum-friendly. Pair with matching hydraulic roller lifters, upgraded valve springs, and quality pushrods for best results.

Products specifications

Fits

Ford Grand Marquis 1991-95, F-150 1975-95, Mustang 1964-73, 1979-95, F-250 1963-65, 1969-74, 1977-78, 1980-95, Bronco 1966-77, 1980-95, Crown Victoria 1992-95, Thunderbird 1977-88, 1991-95, F-350 1963-95, Maverick 1970-77 + 74 more models

Happy with order

Very good experience

Fast

Was a great experience and quick shipping

This company is super fast to get you your order! I ordered online and figured it would be at least a couple days or so until my order would even get processed. I think they overnighted it to me! The package showed up undamaged and sealed. Unfortunately, I may have to return the product as I am thinking I would like the spikes shorter but that is no fault of Thmotorsports. Hopefully their customer service is as superior as their ordering and shipping. At this point I would definitely shop there again and recommend them.

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