My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

COMP Cams 12-671-4 Nostalgia Plus Hydraulic Flat Tappet Camshaft SBC - 229/236

(GMC G2500 1979-95, Yukon 1992-95, K1500 1979-86, 1988-99, C1500 1979-86, 1988-99, K2500 1979-86, 1988-95, 1998, Jimmy 1970-91 + 259 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 12-670-4 COMP Cams 21-670-4 COMP Cams 12-672-4

Manufacturer

Picture for manufacturer COMP Cams

Part Number

12-671-4
13 reviews
Sale Price

$309.95

In Stock (10+)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The COMP Cams Nostalgia Plus 12-671-4 hydraulic flat tappet camshaft delivers authentic vintage performance for small block Chevrolet engines. Designed to replicate the sound and power characteristics of classic muscle car camshafts, this grind features 229° intake and 236° exhaust duration at .050" lift, providing a distinctive lope at idle and strong mid-range power.

Key Specifications:

  • Duration at .050": 229° intake / 236° exhaust
  • Advertised duration: 279° intake / 286° exhaust
  • Valve lift (with 1.5 ratio rockers): .462" intake / .470" exhaust
  • Lobe separation angle: 110°
  • Hydraulic flat tappet design for durability and easy maintenance
  • Ideal RPM range: 1,500-5,500 RPM

Performance Features:

  • Produces classic muscle car idle quality with moderate lope
  • Optimized for street performance with improved throttle response
  • Compatible with stock torque converters and rear gear ratios
  • Works with factory valve springs and components in most applications
  • Excellent choice for street rods, cruisers, and nostalgic muscle car builds

This camshaft is designed for small block Chevrolet V8 engines (262-400 cubic inches) and provides a balanced combination of performance and drivability. The Nostalgia Plus series is perfect for enthusiasts seeking authentic vintage performance characteristics without sacrificing reliability or street manners.

Products specifications

Fits

GMC G2500 1979-95, Yukon 1992-95, K1500 1979-86, 1988-99, C1500 1979-86, 1988-99, K2500 1979-86, 1988-95, 1998, Jimmy 1970-91, Savana 2500 1996-2002, Savana 1500 1996-2002, C3500 1979-86, 1988-95, K2500 Suburban 1979-86, 1992-95 + 255 more models

Grind Number

N+L79H

Cam Type

Hydraulic Flat Tappet

Exhaust Valve Lift

0.462

Intake Valve Lift

0.468

Camshaft Material

Cast Iron

Cam and Lifter Kit Upgrade

CL12-671-4

K-Kit Upgrade

K12-671-4

Camshaft Series

Nostalgia Plus

SK-Kit Upgrade

SK12-671-4

Usage

Street/Performance

Assembly Lubricant Included

Yes

Lifters Included

No

LOBE SEPARATION

112

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.

Camshaft Gear Attachment

3-Bolt

Exhaust Duration at .050 inch Lift

236

Intake Duration at .050 Inch Lift

229

AMAZON ASIN

B0014F1HZM

Advertised Exhaust Duration

283

Basic Operating RPM Range

1,800-6,200

Advertised Intake Duration

276

Engine Family

Chevrolet 262-400 c.i. 8 Cylinder (1958-1998)

easy

Product is not working as advertised.

Just order only (has not been shipped to me yet) --- autoplicity was the cheapest price

Amazing service and tires arrived super fast!

Ok

<br><br>Borgeson 000940<br><br>I found Autoplicity during a price search on the Borgeson steering shaft for my truck. I had never heard of them, and was a bit skepticle. But after doing some research, found that Autoplicity has a good reputation on a Jeep forum I visit.<br><br>I decided to order, and I am impresed. Extremely fast shipping, I placed my order on Saturday, and its now Monday before noon. I am holding the new part!

Best price around. Great Communication. Fast shipping. What else can I ask for?<br>I have already purchased again from them.

Quick shipping and they had the fuel jugs I needed for the best prices thanks!<br><br>UPDATE: they were so good I made another order with them within a week.

Great Pricing (lowest i can find anywhere) and Quick Shipping, Product has no damage from shipping! Thank you Autoplicity!

I received my ARP head studs as described and on time with zero problems, and cheaper than anywhere else.Will use again!!!

Placed my order for my K&N CAI on saturday, but didnt have enough cash so the order finalized on sunday morning. Autoplicity provided excellent service via phone and I should be receiving my CAI later today!!!! Super Stoked. Thank you Autoplicity for providing good service!!<br>Will buy from this site again!!

We ordered a cover for a pickup truck bed and were so pleased that it was shipped so quickly. The price was the lowest that we found on the internet or in any of the stores where we looked. We were notified by e-mail as soon as it shipped. We will definitely shop this site again.

First time buyer from Autoplicity and found the website easy to navigate and find what I wanted quickly. They had the best price of all the other sites I checked, including shipping.

Share icon
Return Policy
Returns are easy at Autoplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy