Melling M-Select Class 4 Camshafts 22427

Name: Melling M-Select Class 4 Camshafts
Brand: Melling
SKU: MEL-22427
Price: 195.99 USD
Availability: InStock
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Part Number: MEL-22427

$195.99

Melling M-Select Class 4 Camshafts

Camshaft, Mechanical Flat Tappet, Advertised Duration 322/322, Lift .559/.580, Chevy, 6.5, 6.6, 7.0, 7.4L, Each
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Melling M-Select Class 4 Camshafts 22427

MEL-22427

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Part Number: MEL-22427

Estimated Ship Date: Oct 26, 2026

$195.99

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Overview

Applications

Q&A

Instructions & Calculators

Estimated Ship Date: Oct 26, 2026 Would you rather pick it up?

Overview

Brand:

Melling

Manufacturer's Part Number:

22427

Part Type:

Camshafts

Product Line:

Melling M-Select Class 4 Camshafts

Summit Racing Part Number:

MEL-22427

UPC:

729295501268

Cam Style:

Solid flat tappet

Camshaft Use:

Street/Strip

Camshaft Manufacturers Description:

Class IV camshaft. Rough idle quality. Mid to high rpm torque and horsepower. For serious racing. Need proper selection of rear axle ration and improvements in carburation and exhaust system. For use with manual transmission or automatic with very high stall converter. Will not have enough vacuum for power accessories.

Basic Operating RPM Range:

3,600-7,200

Intake Duration at 050 inch Lift:

264

Exhaust Duration at 050 inch Lift:

270

Duration at 050 inch Lift:

264 int./270 exh.

Advertised Intake Duration:

322

Advertised Exhaust Duration:

322

Advertised Duration:

322 int./322 exh.

Intake Valve Lift with Factory Rocker Arm Ratio:

0.559 in.

Exhaust Valve Lift with Factory Rocker Arm Ratio:

0.580 in.

Valve Lift with Factory Rocker Arm Ratio:

0.559 int./0.580 exh.

Lobe Separation (degrees):

112

Remanufactured:

Computer-Controlled Compatible:

Valve Springs Required:

Yes

Quantity:

Sold individually.

Notes:

Engines from 1965-66 require a 3/16 in. wide by 7/16 in. deep groove cut in the rear bearing journal.

Melling M-Select Class 4 Camshafts

If you're serious about racing, then consider running a Melling M-Select Class 4 camshaft. These high performance cams offer rough idle quality with mid- to high-rpm torque and horsepower. Class 4 camshafts are designed for use on manual or automatic transmissions with a very high stall converter. You've made power improvements in carburetion and exhaust. Now match your work with the right camshaft—Melling M-Select Class 4. Order the model designed for your vehicle and engine application.

Applications