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COMP Cams Thumpr Hydraulic Flat Tappet Camshaft Lift .479"/.465" Duration 279/297 RPM Range 2000 to 5800

249-12-600-4


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COMP Cams 12-600-4
$163.99
Thumpr Hydraulic Flat Tappet Camshaft
Lift .479"/.465"
Duration 279/297
RPM Range 2000 to 5800
Free Shipping - Ships directly from the manufacturer on 04/01/21

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Does COMP Cams 12-600-4 fit your vehicle?

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1973 GMC SPRINT

  • Liter: 5.7
  • SubModel: BASE
  • Aspiration: NATURALLY ASPIRATED
  • CUI: 350
  • Engine Type: V8 ( 5.7L / 350 )
  • Engine Vin: L

1972 GMC G25/G2500 VAN

  • Liter: 4.1
  • SubModel: VANDURA
  • Aspiration: NATURALLY ASPIRATED
  • CUI: 250
  • Engine Type: L6 ( 4.1L / 250 )
  • Engine Vin: D

1971 CHEVROLET EL CAMINO

  • Liter: 5
  • SubModel: BASE
  • Aspiration: NATURALLY ASPIRATED
  • CUI: 307
  • Engine Type: V8 ( 5L / 307 )
  • Engine Vin: -

1980 GMC C2500

  • Liter: 7.4
  • SubModel: BASE
  • Aspiration: NATURALLY ASPIRATED
  • CUI: 454
  • Engine Type: V8 ( 7.4L / 454 )
  • Engine Vin: S

1979 GMC P3500

  • Liter: 5.7
  • SubModel: BASE
  • Aspiration: NATURALLY ASPIRATED
  • CUI: 350
  • Engine Type: V8 ( 5.7L / 350 )
  • Engine Vin: L

1969 CHEVROLET CHEVELLE

  • Liter: 6.5
  • SubModel: CONCOURS
  • Aspiration: NATURALLY ASPIRATED
  • CUI: 396
  • Engine Type: V8 ( 6.5L / 396 )
  • Engine Vin: -

1985 CHEVROLET K20 SUBURBAN

  • Liter: 7.4
  • SubModel: CUSTOM
  • Aspiration: NATURALLY ASPIRATED
  • CUI: 454
  • Engine Type: V8 ( 7.4L / 454 )
  • Engine Vin: W

1979 CHEVROLET C10 SUBURBAN

  • Liter: 5.7
  • SubModel: SCOTTSDALE
  • Aspiration: NATURALLY ASPIRATED
  • CUI: 350
  • Engine Type: V8 ( 5.7L / 350 )
  • Engine Vin: L

1968 GMC C25/C2500 PICKUP

  • Liter: 5.3
  • SubModel: BASE
  • Aspiration: NATURALLY ASPIRATED
  • CUI: 327
  • Engine Type: V8 ( 5.3L / 327 )
  • Engine Vin: -

1985 CHEVROLET C20 SUBURBAN

  • Liter: 7.4
  • SubModel: SILVERADO
  • Aspiration: NATURALLY ASPIRATED
  • CUI: 454
  • Engine Type: V8 ( 7.4L / 454 )
  • Engine Vin: W

1971 CHEVROLET K20 SUBURBAN

  • Liter: 4.1
  • SubModel: BASE
  • Aspiration: NATURALLY ASPIRATED
  • CUI: 250
  • Engine Type: L6 ( 4.1L / 250 )
  • Engine Vin: L

1983 CHEVROLET EL CAMINO

  • Liter: 3.8
  • SubModel: BASE
  • Aspiration: NATURALLY ASPIRATED
  • CUI: 231
  • Engine Type: V6 ( 3.8L / 231 )
  • Engine Vin: A
12-600-4 - Comp Cams Thumpr Hydraulic Flat Tappet Cams is rated 5.0 out of 5 by 2.
Rated 5 out of 5 by from Exactly as stated Bought it for an 87-95 sbc, installed easily and cam degree matched the spec card. Haven’t fired it up and broken it in yet but so far quality and specs are spot on
Date published: 2020-03-14
Rated 5 out of 5 by from Comp Cam Bought it 3 weeks ago put it in my new motor happy camper
Date published: 2017-10-03
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Can you use this cam with a standard transmission?

Asked by: Faitef
Yes, this cam will work well in an manual transmission vehicle.
Answered by: Rusty B
Date published: 2018-10-05

What rocker arms do you need to run this cam?

Asked by: Bubba71
You can use any performance rocker arms with this. Either a roller rocker or a long slot regular rocker.
Answered by: Rusty B
Date published: 2020-12-10

Not sure what kind of converter I have, just got the car, seems pretty stock. 71 nova 350 with a 350 auto, would i still be able to use this cam?

Asked by: Pano
It will work with a stock converter, but is is recommended to work Best with 2000+ Converter.
Answered by: Rusty B
Date published: 2018-07-16

Can you run this cam with stock valvesprings

Asked by: Ron51
Yes, as long as they are in good shape.
Answered by: Rusty B
Date published: 2018-03-02

Would this Cam require a stall torque converter to keep the engine from stalling when you put it in gear.

Asked by: DAWSR
This cam would need a 22-2500 stall converter.
Answered by: Jon Jegs Tech
Date published: 2020-02-07

What lifters do I need to go with this? 

Asked by: Jmcwane
We would recommend this lifter Part Number: 249-812-16
Answered by: Rusty B
Date published: 2020-02-07

will this cam work with part # 723-2169k heads? Thank You for your time.

Asked by: jimmy john
Yes that cam will work with those heads.
Answered by: BrandonJ
Date published: 2020-12-10

estimated horsepower gain?

Asked by: truman
it looks like you'll pickup about 20-30hp at the crank without changing anything else.
Answered by: BrandonJ
Date published: 2020-02-07
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WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.