COMP Cams 12-420-8 Magnum 215/215 Hydraulic Roller Cam for Chevrolet Small Block

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

• For Retro-Fit (Link Bar) Hydraulic Roller Lifters 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.

Specifications

Usage	Street/Strip
Camshaft Series	Magnum
Advertised Exhaust Duration	270 deg
Grind Number	270HR
Camshaft Gear Attachment	3
Camshaft Gear Attachment	3-Bolt
Camshaft Material	Austempered Ductile Iron
Advertised Intake Duration	270 deg
Exhaust Valve Lift	0.5 IN
Intake Valve Lift	0.5 IN
Basic Operating RPM Range	1,800-5,000 RPM
Lobe Separation	110 deg
Exhaust Duration at .050 inch Lift	215 deg
Intake Duration at .050 Inch Lift	215 deg
Assembly Lubricant Included	No
Lifters Included	No
SK-Kit Upgrade	SK12-420-8
Valve Springs Required	Yes
Engine Family	Chevrolet 262-400 c.i. 8 Cylinder (1958-1998)
Cam and Lifter Kit Upgrade	CL12-420-8
Lifter Type	Hydraulic Roller
Cam Type	Hydraulic Roller
K-Kit Upgrade	K12-420-8

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⚠️ California Proposition 65 Warning
California Residents: This product can expose you to chemicals which are known to the State of California to cause cancer or other reproductive harm. Please visit www.p65warnings.ca.gov for more information.

Warranty: 12 Months