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COMP Cams 21-231-4 Xtreme Energy Solid Flat Tappet Camshaft Chrysler Big Block - 236/242 383-440

(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)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

21-231-4
5 reviews
Sale Price

$309.95

Estimated ship date Wednesday, November 25

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Product Details

The COMP Cams Xtreme Energy 21-231-4 is a solid flat tappet camshaft designed specifically for Chrysler B/RB big block engines, including 383, 400, 413, 426 Wedge, and 440 cubic inch applications. This performance camshaft delivers an aggressive idle and strong mid-range to top-end power, making it ideal for street/strip vehicles and performance street machines.

Camshaft Specifications:

  • Advertised Duration: 284°/290° (intake/exhaust)
  • Duration @ .050": 236°/242° (intake/exhaust)
  • Valve Lift: .501"/.510" (intake/exhaust) with 1.5:1 rocker ratio
  • Lobe Separation Angle: 110°
  • Valve Lash: .020"/.022" (intake/exhaust)
  • RPM Range: 2,000-6,200

Key Features:

  • Xtreme Energy lobe profiles provide excellent performance with solid flat tappet durability
  • Optimized for engines with 9.0:1 to 10.5:1 compression ratio
  • Works with stock or aftermarket cylinder heads and intake manifolds
  • Requires valve spring upgrade for optimal performance
  • Compatible with hydraulic lifter bore spacing

This camshaft is engineered using COMP Cams' proprietary lobe design technology to maximize performance while maintaining reliability. Recommended for vehicles with 2,800-3,200 stall converter and 3.55:1 or higher rear gear ratio. Professional installation and proper break-in procedure required for solid flat tappet camshafts.

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 Exhaust Duration

280

Grind Number

XS274S

Lifter Type

Solid Flat Tappet

Engine Family

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

Intake Valve Lift

0.502

Exhaust Valve Lift

0.511

Camshaft Material

Cast Iron

Cam and Lifter Kit Upgrade

CL21-231-4

K-Kit Upgrade

K21-231-4

Cam Type

Solid Flat Tappet

AMAZON ASIN

B000P5G8BA

Usage

Street/Performance

Assembly Lubricant Included

Yes

Camshaft Gear Attachment

1-Bolt

Lifters Included

No

LOBE SEPARATION

110

Valve Springs Required

Yes

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

Basic Operating RPM Range

2,200-6,200

Exhaust Duration at .050 inch Lift

242

Intake Duration at .050 Inch Lift

236

Camshaft Series

Xtreme Energy

I ordered an AEM intake for my F-150 on Christmas day and received it on the 29th. I would absolutely recommend this site to anyone looking for car parts - they had the lowest price by far and shipped fast. Great job!

This is the first time I ordered from Autoplicity. Very good experience overall. The prices are the best I can find anywhere online. It was shipped very quickly, and I received my item just in time before my trip. Thanks!

Absolute lowest retail price and lightning fast shipping. What more can you ask?

Great price & part in stock & was told would ship today !

Goo . Service

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