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COMP Cams 12-684-5 Launcher Series Solid Flat Tappet Camshaft 244/248 Duration for Chevrolet Small Block

(GMC G2500 1979-95, Yukon 1992-95, K1500 1979-86, 1988-95, C1500 1979-86, 1988-95, K2500 1979-86, 1988-95, Jimmy 1970-91 + 241 more models)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

12-684-5
4 reviews
Sale Price

$325.95

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Product Details

The COMP Cams Launcher Series 12-684-5 is a high-performance solid flat tappet camshaft designed specifically for Chevrolet small block engines. This camshaft delivers an aggressive profile with 244 degrees of advertised intake duration and 248 degrees of advertised exhaust duration, making it ideal for street/strip applications and high-performance builds seeking strong mid-range to top-end power.

Key Specifications:

  • Advertised Duration: 244° Intake / 248° Exhaust
  • Duration at .050": 224° Intake / 230° Exhaust
  • Valve Lift: .462" Intake / .470" Exhaust (with 1.5 ratio rockers)
  • Lobe Separation Angle: 110°
  • Solid flat tappet design for maximum durability and performance
  • Ground from premium core material with precision lobe profiles

Performance Characteristics:

  • Produces strong power from 1,500 to 5,800 RPM
  • Aggressive idle with solid lifter performance sound
  • Excellent choice for street rods, muscle cars, and weekend race applications
  • Requires valve spring upgrade and solid lifters (not included)
  • Compatible with stock or aftermarket cylinder heads

The Launcher Series represents COMP Cams' commitment to providing race-proven profiles in a street-friendly package. This camshaft requires periodic valve lash adjustment and proper break-in procedures. Recommended for engines with aftermarket intake manifolds, headers, and performance ignition systems to maximize potential.

Products specifications

Fits

GMC G2500 1979-95, Yukon 1992-95, K1500 1979-86, 1988-95, C1500 1979-86, 1988-95, K2500 1979-86, 1988-95, Jimmy 1970-91, C3500 1979-86, 1988-95, K2500 Suburban 1979-86, 1992-95, K3500 1979-86, 1988-95, C15/C1500 Pickup 1967-74 + 237 more models

Basic Operating RPM Range

2,800-6,400

Lifter Type

Solid Flat Tappet

Intake Valve Lift

0.483

Exhaust Valve Lift

0.483

Intake Duration at .050 Inch Lift

244

Camshaft Material

Cast Iron

Camshaft Series

Launcher Series

Grind Number

LC2705

Cam Type

Solid Flat Tappet

Assembly Lubricant Included

Yes

Lifters Included

No

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 Intake Duration

270

Camshaft Gear Attachment

3-Bolt

Exhaust Duration at .050 inch Lift

248

Advertised Exhaust Duration

274

LOBE SEPARATION

107

Usage

Street/Strip

Engine Family

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

AMAZON ASIN

B000P5BA86

Some items are not auto specific but when you enter the auto info it does not let you purchase the item

I bought this item for my fiance and he loves it! He was completely happy with the price we paid...

Best prices I found online.. processed same day and recieved same week..packaged great and works great.

Wow I love the race ramps I bought for my 2009 dodge challenger srt8 I used Thelm to change the oil 2 days after I got Thelm and they worked great I have extra clearance I wouldnt think of any other place for my parts gas shipping great prices and great shipping prices I'm a very happy customer

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