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COMP Cams 21-226-4 Xtreme Energy Hydraulic Flat Tappet Camshaft Chrysler - for 383-440

(Chrysler 300 1959-71, Town & Country 1959-77, Newport 1959-78, New Yorker 1959-78, Imperial 1959-75, Cordoba 1975-78, Saratoga 1959-60 + 100 more models)

Part of: COMP Cams Xtreme Energy Hydraulic Flat Tappet Camshaft Ford

Other options in this family: COMP Cams 31-238-3 COMP Cams 35-238-3 COMP Cams 35-242-3 COMP Cams 51-222-4 COMP Cams 31-242-3

Manufacturer

Picture for manufacturer COMP Cams

Part Number

21-226-4
5 reviews
Sale Price

$309.95

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Product Details

The COMP Cams 21-226-4 Xtreme Energy camshaft is a hydraulic flat tappet performance camshaft designed specifically for Chrysler big block 383-440 cubic inch V8 engines. This cam delivers a broad torque curve with strong mid-range power, making it ideal for street performance applications, tow vehicles, and daily drivers seeking improved throttle response and acceleration.

Camshaft Specifications:

  • Duration at 0.050": 218°/224° (intake/exhaust)
  • Advertised duration: 250°/256° (intake/exhaust)
  • Valve lift: 0.454"/0.454" (intake/exhaust) with 1.5:1 rocker ratio
  • Lobe separation angle: 110°
  • Hydraulic flat tappet design for quiet, reliable operation
  • Recommended RPM range: 1,500-5,500 RPM
  • Recommended power band: 1,800-5,200 RPM

Performance Characteristics:

  • Smooth idle quality with mild lope
  • Excellent street manners and drivability
  • Strong low-end and mid-range torque production
  • Compatible with stock torque converters and rear axle ratios
  • Works with factory valve springs and components (verify spring pressure)

This camshaft is part of COMP Cams' popular Xtreme Energy series, featuring advanced lobe profiles that maximize efficiency and power output. The hydraulic flat tappet design ensures easy break-in and maintenance-free operation. Ideal for street rods, muscle car restorations, and performance street builds where emissions and power steering compatibility are important. Compatible with 1959-1978 Chrysler B and RB series big block engines including 383, 400, 413, 426 wedge, and 440 applications.

Note: Requires hydraulic flat tappet lifters, performance valve springs, and proper break-in procedure. Recommended for engines with compression ratios between 9.0:1 and 10.5:1 for pump gas compatibility.

Products specifications

Fits

Chrysler 300 1959-71, Town & Country 1959-77, Newport 1959-78, New Yorker 1959-78, Imperial 1959-75, Cordoba 1975-78, Saratoga 1959-60, Ford 300 1959-71, Windsor 1959-61; Dodge Charger 1966-78, Challenger 1970-74, Dart 1960-69 + 95 more models

Advertised Intake Duration

294

Grind Number

XE294H

Cam Type

Hydraulic Flat Tappet

Engine Family

Chrysler 383-440 c.i. 8 Cylinder (1959-1980)

Intake Valve Lift

0.519

Exhaust Valve Lift

0.524

Basic Operating RPM Range

2,800-6800

Intake Duration at .050 Inch Lift

250

Camshaft Material

Cast Iron

Cam and Lifter Kit Upgrade

CL21-226-4

K-Kit Upgrade

K21-226-4

SK-Kit Upgrade

SK21-226-4

AMAZON ASIN

B000P5DAUW

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 Exhaust Duration

306

Exhaust Duration at .050 inch Lift

256

Camshaft Series

Xtreme Energy

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