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COMP Cams 20-671-4 Nostalgia Plus Hydraulic Flat Tappet Camshaft Chrysler - 239/246 273-360

(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

20-671-4
5 reviews
Sale Price

$309.95

1 left at this price

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Usually delivered within 2 days

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Product Details

The COMP Cams Nostalgia Plus 20-671-4 hydraulic flat tappet camshaft is designed to deliver authentic vintage muscle car performance for small block Chrysler 273-360 cubic inch engines. This camshaft features 239° intake and 246° exhaust duration, providing a smooth idle with excellent throttle response and strong mid-range torque that's perfect for street-driven classics.

Key Specifications:

  • Duration at 0.050": 239° intake / 246° exhaust
  • Valve lift: 0.462" intake / 0.470" exhaust (with 1.5:1 rocker ratio)
  • Lobe separation angle: 110°
  • Hydraulic flat tappet design for quiet operation and low maintenance
  • Recommended RPM range: 1,500-5,500
  • Ideal for stock or mildly modified street engines

Features & Benefits:

  • Nostalgia Plus grind profile recreates classic muscle car sound and performance
  • Works well with stock converters, gearing, and compression ratios
  • Excellent vacuum characteristics for power brakes and accessories
  • Emissions-legal in most applications
  • Compatible with stock valve springs and components

This camshaft is an excellent choice for enthusiasts restoring vintage Mopar A-bodies, B-bodies, and early trucks who want reliable street performance with that classic cam sound. Requires hydraulic flat tappet lifters, timing set, and assembly lube (sold separately).

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

Advertised Exhaust Duration

291

Advertised Intake Duration

284

Basic Operating RPM Range

2,500-6,400

Grind Number

PP284H

Cam Type

Hydraulic Flat Tappet

Engine Family

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

Exhaust Valve Lift

0.484

Camshaft Material

Cast Iron

Cam and Lifter Kit Upgrade

CL20-671-4

K-Kit Upgrade

K20-671-4

Camshaft Series

Nostalgia Plus

AMAZON ASIN

B000P5DA7K

Assembly Lubricant Included

Yes

Camshaft Gear Attachment

1-Bolt

Lifters Included

No

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

246

Intake Duration at .050 Inch Lift

239

Intake Valve Lift

0.484

LOBE SEPARATION

108

easy to order but needs more description on items

Easy to order, hopefully it's the right part, and it shows on time.

Very satisfied! My intake shipped on Friday and I received it on Tuesday. Not only super fast shipping, but a great deal to boot!

Very good customer service asked about a lot of different springs and parts for my Mazdaspeed 3.

found product I was looking for at a good price

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