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$1,009.99
$955.99
COMP Cams K12-420-8 Magnum Hyd. Roller Camshaft Kit, Chevy S/B
COMP Cams K12-420-8 Magnum Hyd. Roller Camshaft Kit, Chevy S/B

COMP Cams K12-420-8 Magnum Hyd. Roller Camshaft Kit, Chevy S/B

Chevy Small Block V8, Hydraulic Roller Tappet Camshaft Type, 270 Intake Duration

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COMP Cams K12-420-8 Magnum Hyd. Roller Camshaft Kit, Chevy S/B
COMP Cams K12-420-8 Magnum Hyd. Roller Camshaft Kit, Chevy S/B
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We estimate this item will ship on or before January 3rd.
Part # 282K124208
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Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 10 business days for COMP Cams to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.

Details

Camshaft Type:
Hydraulic Roller Tappet
Intake Duration:
270
Exhaust Duration:
270
RPM Range:
1800 to 5000
Lobe Separation:
110 °
Intake Duration (.050" Lift):
215
Exhaust Duration (.050" Lift):
215
GTIN Code:
036584462231
MFG. Part #:
K12-420-8
Grind Number:
CS 270H-R10
Intake Valve Lift w/ Rocker Arm Ratio:
0.5"
Exhaust Valve Lift w/ Rocker Arm Ratio:
0.5"
External Ignition Box Required:
No
Valve Springs Required:
No
Valve Spring Included:
Yes
Lifter Type:
Hydraulic Roller
Lifters Included:
Yes
Retainers Included:
Yes
Locks Included:
Yes
Valve Stem Seals Included:
Yes
Timing Chain and Gears Included:
Yes
Assembly Lubricant Included:
No
Rocker Arms Included:
No
Gaskets Included:
No
Sold in Quantity:
Kit

Info

K12-420-8 - Camshaft Kit, CS 270H-R10.

Chevrolet 262-400 c.i. 8 cyl. 1958-1998. Mild street performance, slightly noticeable lope at idle. Stock converter, aftermarket intake & headers. 3.40 to 4.10 rear gears. All COMP Cams Camshafts are manufactured to the strictest tolerances. Rigorously tested and checked for quality.

  • Great high RPM power
  • Easy on valve train parts
  • Can be used with mild ratio rocker arms & traditional performance valve springs
  • Best with aftermarket converter & 9.5:1+ compression

Application

1958-86 Chevy 262-400
Some parts are not legal for use in California or other states with similar laws/regulations

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Videos & Articles
  • What happens when you advance or retard a camshaft? In this tech article, we explain the pros and cons of installing your cam straight up, advancing or retarding.
  • Learn the basics to engine performance like; how does a cam work? What is Valve lift, duration, lobe separation angle, and cam profiles? Afterwords selecting the right camshaft will be less of a guessing game!
  • One of the most important parts of your racing operation is the engine. This article gives a detailed overview on how to maintain your engine to get the most out of it for as long as possible. Also learn some tips to prolong the life of your engine.
  • Speedway Motors Street Tech Kevin recently installed a Gear Drive on the 454 destined for his '54 Belair.
  • Tim M. has tried to stay true to the vintage route, but sometimes, exceptions must be made. For example, the original oiling system's paper element and canister are functional, but an upgraded system will be more reliable.
  • To get the longest life and most performance out of your engine, it's important to have the valve lash set correctly. Here we show you how to set valve lash on a small block Chevy using a hydraulic lift camshaft.
  • In part 2, you will read about the Generation 4 small block series of V8s that share the same platform as the Generation 3 discussed in part 1.

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