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COMP Cams 42-221-4 Engine Camshaft
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COMP Cams
SKU 42-221-4

COMP Cams 42-221-4 Xtreme Energy 212/218 Hydraulic Flat Cam for Oldsmobile 260-455

$309.95 USD
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Warranty 12 Months
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Delivering strong torque through low and mid-range with a good idle, the Xtreme Energy hydraulic flat tappet cam from COMP Cams (part number 42-221-4) features 0.453 inch intake and 0.456 inch exhaust valve lift. This cast iron cam is designed for Oldsmobile 260-455 cubic inch 8-cylinder engines and operates from 1,000 to 5,200 RPM with 212 DD intake and 218 DD exhaust duration at .050 inch lift.

  • Camshaft Series: Xtreme Energy
  • Cam Type: Hydraulic Flat Tappet
  • Grind Number: XE256H
  • Camshaft Material: Cast Iron
  • Intake Valve Lift: 0.453 IN
  • Exhaust Valve Lift: 0.456 IN
  • Advertised Intake Duration: 256 deg
  • Advertised Exhaust Duration: 268 deg
  • Intake Duration at .050 Inch Lift: 212 deg
  • Exhaust Duration at .050 inch Lift: 218 deg
  • Lobe Separation: 110 deg
  • Engine Family: Oldsmobile 260-455 c.i. 8 Cylinder (1967-1990)
  • Basic Operating RPM Range: 1,000-5,200 RPM
  • Usage: Street/Performance
  • Lifter Type: Hydraulic Flat Tappet
  • Camshaft Gear Attachment: 1-Bolt
  • Lifters Included: No
  • Valve Springs Required: Yes
  • Assembly Lubricant Included: Yes
  • Cam and Lifter Kit Upgrade: CL42-221-4
  • K-Kit Upgrade: K42-221-4
  • SK-Kit Upgrade: SK42-221-4
  • 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 California Certified Vehicles Manufactured Before 1965?: Yes, but must meet tailpipe emission standards for year of 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 Foreign Vehicles Manufactured Before 1967?: Yes, but must meet tailpipe emission standards for year of vehicle.

Weight: 10.75 lb

Country of Origin: United States

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.

Sold by Specification. This is an engine build part, chosen by its measurements rather than by year, make and model. Match the specifications to your build. If you are unsure, check with your mechanic or dealership. Making sure it fits is the customer's responsibility.
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Please check the product description for the manufacturer’s application details, or ask a specialist — we’ll confirm whether it fits your vehicle before you buy.

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$309.95