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COMP Cams 01-421-8 Xtreme Energy Hydraulic Roller Camshaft Chevrolet Big Block - 236/242

(Chevrolet K2500 1996-2000, Express 3500 1996-2000, C3500 1996-2000, C2500 1996-2000, K3500 1996-2000, K2500 Suburban 1996-99, P30 1996-99 + 11 more models)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

01-421-8
5 reviews
Sale Price

$577.95

Estimated ship date Tuesday, November 24

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Product Details

The COMP Cams Xtreme Energy 01-421-8 hydraulic roller camshaft is engineered specifically for Chevrolet Big Block Gen VI engines, delivering significant performance gains over stock camshafts. This camshaft features 236° intake and 242° exhaust duration at 0.050" lift, providing an excellent balance of increased power and drivability for street/strip applications.

Key Specifications:

  • Duration at 0.050": 236° intake / 242° exhaust
  • Advertised duration: 280° intake / 286° exhaust
  • Valve lift (with 1.7 ratio rockers): 0.549" intake / 0.565" exhaust
  • Lobe separation angle: 110°
  • Hydraulic roller design for reduced friction and increased durability
  • Requires aftermarket torque converter for automatic transmissions

Performance Characteristics:

  • RPM range: 1,800-6,000 RPM
  • Rough idle with lope characteristic
  • Excellent throttle response and mid-range torque
  • Designed for engines with 9.0:1 to 10.5:1 compression ratio
  • Ideal for use with performance cylinder heads and intake manifolds

The Xtreme Energy series represents COMP Cams' most aggressive street camshaft profile, utilizing advanced lobe designs to maximize power output while maintaining reasonable street manners. This hydraulic roller design eliminates the need for constant adjustment while providing superior performance compared to flat tappet camshafts. Compatible with factory or aftermarket roller lifters and timing sets.

Products specifications

Fits

Chevrolet K2500 1996-2000, Express 3500 1996-2000, C3500 1996-2000, C2500 1996-2000, K3500 1996-2000, K2500 Suburban 1996-99, P30 1996-99, G30 1996, C2500 Suburban 1996-99; GMC K2500 1996-2000, Savana 3500 1996-2000, C3500 1996-2000 + 6 more models

Basic Operating RPM Range

2,500-6,000

Grind Number

XR288HR

Intake Valve Lift

0.521

Camshaft Material

Austempered Ductile Iron

Engine Family

Chevrolet GEN VI 454 and 502 c.i. 8 Cylinder (1996-1999)

Cam and Lifter Kit Upgrade

CL01-421-8

K-Kit Upgrade

K01-421-8

SK-Kit Upgrade

SK01-421-8

Usage

Street/Performance

Assembly Lubricant Included

No

Lifters Included

No

LOBE SEPARATION

110

Valve Springs Required

Yes

Prop 65

WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov

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. 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.

Camshaft Gear Attachment

3-Bolt

Exhaust Valve Lift

0.54

Lifter Type

Hydraulic Roller

Exhaust Duration at .050 inch Lift

242

Intake Duration at .050 Inch Lift

236

Cam Type

Hydraulic Roller

AMAZON ASIN

B000VTUTBA

Advertised Exhaust Duration

294

Advertised Intake Duration

288

Camshaft Series

Xtreme Energy

Prices were good and the order shipped promptly. The email notice of shipment was a little late. It came after the order had arrived.

Great site

This was an easy transaction, keep me notified thoughout the entire shipment. Price is what got my attention in the first place. I will be back for future needs.

Good service, fast shipping, excellent prices

Nobody else had part in stock. Instant shipping and a good price. Will do business again!

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