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COMP Cams SK31-670-4 Nostalgia Plus Hydraulic Flat Camshaft Kit for Ford 221-302

(Ford F-150 1975-93, Mustang 1964-79, F-250 1975-93, Bronco 1966-93, Thunderbird 1977-81, F-350 1975-80, Maverick 1971-77, Galaxie 500 1963-72 + 56 more models)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

SK31-670-4
6 reviews
Sale Price

$461.95

Estimated ship date Saturday, November 21

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Product Details

The COMP Cams SK31-670-4 Nostalgia Plus camshaft kit delivers classic performance for small block Ford 221-302 engines. This complete SK-Kit (Small Kit) provides everything needed for a professional camshaft installation, combining proven hydraulic flat tappet technology with COMP Cams' legendary quality.

Camshaft Specifications:

  • Advertised Duration: 267°/274° intake/exhaust
  • Duration at .050": 219°/226° intake/exhaust
  • Valve Lift: .448"/.465" intake/exhaust (with 1.6:1 rocker ratio)
  • Lobe Separation Angle: 112°
  • Hydraulic flat tappet design for reliable operation
  • Optimized for street performance and mild performance builds

Complete Kit Includes:

  • Nostalgia Plus camshaft
  • Hydraulic flat tappet lifters (16)
  • Timing chain set with gears
  • Assembly lube for proper break-in
  • Installation instructions
  • COMP Cams decals

This camshaft profile is ideal for daily drivers and weekend cruisers seeking improved throttle response and a mild performance increase over stock. The 219°/226° duration provides a smooth idle quality while delivering noticeable power gains in the 1,500-5,000 RPM range. Compatible with stock torque converters and rear axle ratios, making it an excellent choice for street-driven Ford small blocks.

Products specifications

Fits

Ford F-150 1975-93, Mustang 1964-79, F-250 1975-93, Bronco 1966-93, Thunderbird 1977-81, F-350 1975-80, Maverick 1971-77, Galaxie 500 1963-72, F-100 1975-83, F-250 Pickup 1972-93, Fairlane 1963-70, Ranchero 1963-79, Torino 1968-74 + 51 more models

Basic Operating RPM Range

2,200-6,400

Cam Type

Hydraulic Flat Tappet

Kit Type

SK-Kit - Small Kit

Intake Duration at .050 Inch Lift

219

Camshaft Material

Cast Iron

AMAZON ASIN

B001R9BWOQ

Usage

Street/Performance

Assembly Lubricant Included

Yes

Camshaft Gear Attachment

1-Bolt

LOBE SEPARATION

112

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.

Gaskets Included

No

Advertised Intake Duration

266

Locks Included

No

Lifters Included

Yes

Retainers Included

No

Advertised Exhaust Duration

273

Intake Valve Lift

0.475

Timing Chain and Gears Included

Yes

Exhaust Valve Lift

0.48

Exhaust Duration at .050 inch Lift

226

Valve Stem Seals Included

No

Pushrods Included

No

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