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COMP Cams 20-670-4 Nostalgia Plus Hydraulic Flat Tappet Camshaft Chrysler - 273-360

(Jeep Grand Cherokee 1993-98, Grand Wagoneer 1993; Dodge Durango 1998-2002, Ram 2500 1994-2002, Ram 1500 1994-2002, Dakota 1989-2002 + 134 more models)

Part of: COMP Cams Nostalgia Plus Hydraulic Flat Tappet Camshaft SBC

Other options in this family: COMP Cams 21-672-4 COMP Cams 21-671-4 COMP Cams 12-671-4 COMP Cams 12-670-4 COMP Cams 21-670-4

Manufacturer

Picture for manufacturer COMP Cams

Part Number

20-670-4
6 reviews
Sale Price

$309.95

2 left at this price

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Usually delivered within 2 days

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Product Details

The COMP Cams Nostalgia Plus 20-670-4 hydraulic flat tappet camshaft delivers classic performance for small block Chrysler 273-360 cubic inch engines. This camshaft features a 233/240 degree advertised duration split that provides a strong mid-range power band with excellent throttle response and a smooth idle quality reminiscent of muscle car era performance.

Camshaft Specifications:

  • Advertised Duration: 233° Intake / 240° Exhaust
  • Duration @ .050": 279° Intake / 286° Exhaust
  • Valve Lift: .462" Intake / .470" Exhaust (with 1.5 rocker ratio)
  • Lobe Separation Angle: 110°
  • Hydraulic flat tappet design for reliable street performance
  • Recommended RPM range: 1,500-5,500

Key Features:

  • Nostalgia Plus grind profile optimized for vintage V8 performance characteristics
  • Compatible with stock valve springs and components in most applications
  • Provides noticeable power gains over stock camshafts
  • Maintains good vacuum for power brakes and accessories
  • Designed for street/strip applications with automatic or manual transmissions

This camshaft is ideal for street performance builds, classic muscle car restorations, and enthusiasts seeking improved power without sacrificing street manners. COMP Cams recommends verifying piston-to-valve clearance and using their assembly lube during installation. Works with stock or aftermarket cylinder heads on Chrysler LA-series small block engines including 273, 318, 340, and 360 cubic inch displacements.

Products specifications

Fits

Jeep Grand Cherokee 1993-98, Grand Wagoneer 1993; Dodge Durango 1998-2002, Ram 2500 1994-2002, Ram 1500 1994-2002, Dakota 1989-2002, Charger 1966-78, Challenger 1970-74, Ram 3500 1994-2002, Dart 1964-77, 1980-82 + 130 more models

Basic Operating RPM Range

2,200-6,000

Grind Number

PP280H

Cam Type

Hydraulic Flat Tappet

Engine Family

Chrysler 273-360 c.i. 8 Cylinder (1964-2002)

Exhaust Valve Lift

0.474

Intake Valve Lift

0.474

Intake Duration at .050 Inch Lift

233

Camshaft Material

Cast Iron

Cam and Lifter Kit Upgrade

CL20-670-4

K-Kit Upgrade

K20-670-4

Camshaft Series

Nostalgia Plus

AMAZON ASIN

B000P5DA5W

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.

Exhaust Duration at .050 inch Lift

240

Advertised Exhaust Duration

287

Advertised Intake Duration

280

Autoplicity had the lowest price by far and shipping was very fast (ordered Wednesday evening, arrived Saturday morning). I will definitely order from Autoplicity again!

Easy to use and lowest prices.

Very pleasant order over the phone. Gentleman was smart, cheerful and helpful.

Just what you want from a merchant but don't expect; fast, courteous service and attention to the details of your order. I'm a happy consumer. Thank you, Autoplicity. I'll be back.

Autoplicity cares about there customers. I ordered a flash programmer and got to the last page and never got a confirmation of the order. I used the website chat and talked to somebody about it right away. So I ordered again and got a conformation. But both went though. Autoplicity called me next day a.m. to see if I made a mistake. Thanks for letting me know and correcting to one order. Saved me from shipping back a product I dind't need.

Good products with low prices. Easy website and pament options.

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