CSP SAVINGS!

CSP2026
1 5

COMP Cams 12-420-8 - Camshaft CS 270H-R10

COMP Cams  |  SKU: COMP-12-420-8
$54995 $60494
PLEASE NOTE: Pictures may be representative of style, rather than the actual product. Read the description for more details.

Description

COMP Cams 12-420-8 - Camshaft CS 270H-R10

Camshaft - Magnum - Hydraulic Roller - Lift 0.500 / 0.500 in - Duration 270 / 270 - 110 LSA - 1800 / 5000 RPM - Small Block Chevy - Each

Mild street performance, slightly noticeable lope at idle. Stock converter, aftermarket intake and headers. 3.40 to 4.10 rear gears.

Fits '58-'021 262-400 cid Chevy Small Blocks 2

  • Mild street performance - Slightly noticeable lope at idle - Works with stock converter
  • Needs aftermarket intake, headers, 3.40 to 4.10 rear gears
  • Requires thrust button and wear plate and suitable timing cover with thrust button and built-in wear plate
  • High pressure / high volume fuel pumps require bronze tip fuel pump pushrods - OEM valve springs cannot be used
  • Warning: Camshaft Optimized for use with a Melanized or Nitrided distributor gear. Not compatible with cast or steel gears without similar surface treatments. Failure to utilize the proper distributor gear will void all warranties and/or return policies.

    • 1: Cams for '55-'57 engines can be custom ordered. 2: The '87+ Chevy Small Block received provisions for roller lifters. Most '87 - '93 GM cars came with roller lifters, but most '87 - '95 trucks came with flat tappet lifters in roller lifter style blocks. If your block has '87+ OEM-style roller cam provisions but does not have roller components fitted, COMP Hyd. Roller Lifter Install Kit for '87-'90 Blocks or '91-'02 Blocks can be purchased. As well as a '87+ OE-Style COMP Hyd. Roller Cam and '87+ OE-Style COMP Roller Lifters . Pre-'87 blocks require Retro-Fit Link Bar Roller Lifters.
    Camshaft Series: Magnum
    Usage: Street/Strip
    Cam Type: Hydraulic Roller
    Grind Number: 270HR
    Basic Operating RPM Range: 1,800-5,000
    Intake Duration at .050 Inch Lift: 215
    Exhaust Duration at .050 inch Lift: 215
    Advertised Intake Duration: 270
    Advertised Exhaust Duration: 270
    Lobe Separation: 110
    Intake Valve Lift: 0.5
    Exhaust Valve Lift: 0.5
    Lifters Included: No
    Valve Springs Required: Yes
    Assembly Lubricant Included: No
    Camshaft Gear Attachment: 3-Bolt
    Camshaft Material: Austempered Ductile Iron
    Engine Family: Chevrolet 262-400 c.i. 8 Cylinder (1958-1998)
    Cam and Lifter Kit Upgrade: CL12-420-8
    K-Kit Upgrade: K12-420-8
    Lifter Type: Hydraulic Roller
    SK-Kit Upgrade: SK12-420-8
    Amazon ASIN: B001O09NDU
    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 Federally Certified Vehicles Manufactured Before 1967?: Yes, but must meet tailpipe emission standards for year of 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 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. Exemption Reason: N/A
    C.A.R.B. E.O. Number: N/A
    Grind Number: 270HR

    What are people saying about CSP?