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COMP Cams 21-233-4 Xtreme Energy Solid Flat Tappet Camshaft Chrysler - 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 Solid Flat Tappet Camshaft Chrysler

Other options in this family: COMP Cams 12-677-4 COMP Cams 12-676-4 COMP Cams 23-232-4 COMP Cams 12-674-4 COMP Cams 23-233-4

Manufacturer

Picture for manufacturer COMP Cams

Part Number

21-233-4
7 reviews
Sale Price

$309.95

Estimated ship date Friday, November 27

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Product Details

The COMP Cams Xtreme Energy 21-233-4 is a high-performance solid flat tappet camshaft designed specifically for Chrysler big block 383-440 engines. This camshaft delivers aggressive performance with a 252/260 duration split, making it ideal for street/strip applications where strong mid-range to top-end power is desired.

Camshaft Specifications:

  • Advertised Duration: 252° Intake / 260° Exhaust
  • Duration at .050": 208° Intake / 216° Exhaust
  • Valve Lift (with 1.5 rocker ratio): .454" Intake / .480" Exhaust
  • Lobe Separation Angle: 110°
  • Solid flat tappet design for maximum durability and performance
  • Optimized lobe profiles for improved throttle response and power

Performance Characteristics:

  • RPM Range: 1,500-5,800 RPM
  • Excellent choice for street performance and weekend racing applications
  • Produces aggressive lope at idle with strong acceleration
  • Requires upgraded valve springs, retainers, and performance valve train components
  • Works best with compression ratios of 9.5:1 or higher

This Xtreme Energy camshaft is engineered using COMP Cams' advanced lobe design technology to maximize area under the lift curve, providing superior performance throughout the RPM range. Professional installation and proper valve train setup are required for optimal performance and longevity.

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

290

Grind Number

XS290S

Lifter Type

Solid Flat Tappet

Engine Family

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

Intake Valve Lift

0.54

Exhaust Valve Lift

0.558

Intake Duration at .050 Inch Lift

252

Exhaust Duration at .050 inch Lift

260

Basic Operating RPM Range

3200-7,000

Camshaft Material

Cast Iron

Cam and Lifter Kit Upgrade

CL21-233-4

K-Kit Upgrade

K21-233-4

Cam Type

Solid Flat Tappet

AMAZON ASIN

B000P595N8

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 Exhaust Duration

298

Camshaft Series

Xtreme Energy

Great company to do business with! Ordered a Thule 916XTR bike rack for my car and their prices blew away everyone else on the 'net! Ordered on Sunday, they shipped on Monday and sent me a tracking number that night. Super fast shipping and great communication! I'll definitely be coming back to Autoplicity again!

Order shipped 2 days after ordered <br>and hey gave me a tracking number which is cool<br>lets see hoe fast it will come

Easy shopping experience

Lowest price on the Internet, good packaging and fast shipping.

Ordering was simple and shipped quickly. Received undamaged and exactly what i ordered. will order from them again.

great parts, even better prices..all around good service

Price was the lowest for the product that I wanted. That's including shipping price, which was still cheaper. Will definitely look into other products from them.

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