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COMP Cams Camshaft CRB 284H PP484

SKU: CCA21-671-4

Camshafts

CCA Camshafts...

COMP Cams Camshaft CRB 284H PP484

SKU: CCA21-671-4

Camshafts

CCA Camshafts...

A$706.68
Available from MFR. This item is available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical order processing and release times for this part. This item is not held in our own warehouse, and actual dispatch timing may vary depending on manufacturer workload and logistics at the time of ordering.
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Description

Replaces The Popular 484 Cam

Product Overview

*Nostalgia Plus Camshafts* * Specifically designed to capture the essence of the original 1960s muscle car experience * Combine famous factory cam performance with modern camshaft lobe designs for increased throttle response * Excellent sound improvement through camshaft specifications (with similar vacuum characteristics to its muscle car era counterparts)

Product Details

Advertised Exhaust Duration:291
Advertised Intake Duration:284
Amazon ASIN:B000P5B93W
Assembly Lubricant Included:Yes
Basic Operating RPM Range:2,300-6300
C.A.R.B. E.O. Number:N/A
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.
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. Exemption Reason:N/A
California Proposition 65:WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Cam Type:Hydraulic Flat Tappet
Cam and Lifter Kit Upgrade:CL21-671-4
Camshaft Gear Attachment:1-Bolt
Camshaft Material:Cast Iron
Camshaft Series:Nostalgia Plus
Description:Nostalgia Plus 239/246 Hydraulic Flat Cam for Chrysler 383-440
Engine Family:Chrysler 383-440 c.i. 8 Cylinder (1959-1980)
Exhaust Duration @ .050 in.:246
Exhaust Duration at .050 inch Lift:246
Exhaust Duration:291
Exhaust Valve Lift(in):0.484
Exhaust Valve Lift:0.484
Grind Number:PP284H
Intake Duration @ .050 in.:239
Intake Duration at .050 Inch Lift:239
Intake Duration:284
Intake Valve Lift(in):0.484
Intake Valve Lift:0.484
K-Kit Upgrade:K21-671-4
Lifter Type:Hydraulic Flat Tappet
Lifters Included:No
Lobe Separation:108
Part Number:cca21-671-4
RPM Range:2000-9000
Title:Nostalgia Plus 239/246 Hydraulic Flat Cam for Chrysler 383-440
Usage:Street/Performance
Valve Springs Required:Yes

Application Summary

Fits Chrysler B/RB 383, 400, 413, 426 Wedge and 440

Part Type

Engine Camshaft

Data: v4.2 - Upd: 2026-10-13 17:48:14

Specifications

Product Attributes - Brand
COMP Cams
Product Attributes - Manufacturer's Part Number
21-671-4
Product Attributes - Part Type
Camshafts
Product Attributes - Product Line
COMP Cams Nostalgia Plus Camshafts
Product Attributes - UPC
036584070405
Product Attributes - Cam Style
Hydraulic flat tappet
Product Attributes - Camshaft Use
Street/Strip
Product Attributes - Basic Operating RPM Range
2,300-6,300
Product Attributes - Intake Duration at 050 inch Lift
239
Product Attributes - Exhaust Duration at 050 inch Lift
246
Product Attributes - Duration at 050 inch Lift
239 int./246 exh.
Product Attributes - Advertised Intake Duration
284
Product Attributes - Advertised Exhaust Duration
291
Product Attributes - Advertised Duration
284 int./291 exh.
Product Attributes - Intake Valve Lift with Factory Rocker Arm Ratio
0.484 in.
Product Attributes - Exhaust Valve Lift with Factory Rocker Arm Ratio
0.484 in.
Product Attributes - Valve Lift with Factory Rocker Arm Ratio
0.484 int./0.484 exh.
Product Attributes - Lobe Separation (degrees)
108
Product Attributes - Camshaft Gear Attachment
1-bolt
Product Attributes - Remanufactured
No
Product Attributes - Computer-Controlled Compatible
No
Product Attributes - Grind Number
PP292H
Product Attributes - Valve Springs Required
Yes
Product Attributes - Quantity
Sold individually.

Reference Information

Brand Name/s Comp Cams
StreetFX SKU cca21-671-4
SFX Item ID 4119446
Supplier Item Code 4119446
Manufacturer SKU 21-671-4
Manufacturer UPC 36584070405
Alternative References COM21-671-4, 284H, PP484

Compatibility

Fits Chrysler B/RB 383, 400, 413, 426 Wedge and 440

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