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XFI 242/248 Hydraulic Roller Cam for Chevrolet Small Block

XFI 242/248 Hydraulic Roller Cam for Chevrolet Small Block

Drag Race/Tight Lash 259/266 Solid Flat Cam for Chevrolet Small Block

Drag Race/Tight Lash 259/266 Solid Flat Cam for Chevrolet Small Block

Magnum 252/252 Hydraulic Roller Cam for Chevrolet Small Block

was $522.95 Special Price $470.66
In stock
SKU
12-470-8
  • For Retro-Fit (Link Bar) Hydraulic Roller Lifters; Fits '58-'021 262-400 cid Chevy Small Blocks2

  • Limited street use & bracket racing • Needs 10.5:1 compression, 3500+ stall, 4.10 gear, headers & race intake • Radical idle

  • 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. Please Call, Email, Twitter or Live Chat for details.

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.

More Information
UPC 036584700302
Manufacturer COMP Cams®
Emissions Code
Engine Family Chevrolet 262-400 c.i. 8 Cylinder (1958-1998)
RPM Operating Range 3,500-6,500
Cam Type Hydraulic Roller
Camshaft Series Magnum
Camshaft Gear Attachment 3-Bolt
Usage Street/Strip
California Proposition 65 WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Advertised Intake Duration 314
Advertised Exhaust Duration 314
Intake Duration at .050 Inch Lift 252
Exhaust Duration at .050 Inch Lift 252
Intake Valve Lift 0.6
Exhaust Valve Lift 0.6
Lobe Separation 110
Valve Timing Lift 0.006
Exhaust Close ATDC 43
Intake Open BTDC 51
Exhaust Open BBDC 91
Intake Close ABDC 83
Lifter Style Hydraulic Roller
Recommended Components
Component Part Number
Break-In Lube 159
Distributor Gears 12200
Valve Seals 503-16
Valve Locks 611-16
Steel Retainers 740-16
Valve Springs 26986-16
Valve Locks 614-16
Steel Retainers 795-16
Valve Springs 950-16
Timing Set 2100
Timing Set 7100
Rocker Arms 1412-16
Lifter Kit 15853-16
Push Rods 7809-16
Lifter Kit 853-16
CL-Kit Upgrade CL12-470-8
K-Kit Upgrade K12-470-8
SK-Kit Upgrade SK12-470-8