4-Pattern 253/263 IB 255/265 OB Hydraulic Roller Cam Chevrolet Big Block 396-454

4-Pattern 253/263 IB 255/265 OB Hydraulic Roller Cam Chevrolet Big Block 396-454

$873.87

Recommended in highly modified street/strip or bracket race engines and also works well in 572+ c.i. applications.

SKU: COMP-11-617-44 Category:

Description

Additional Attributes:

GTIN: 00036584259718
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
Camshaft Series: 4-Pattern
Usage: Strip
Cam Type: Hydraulic Roller
Grind Number: 305QIO10
Basic Operating RPM Range: 3200-7,500
Inboard Intake Duration at .050 Inch Lift: 253
Outboard Intake Duration at .050 Inch Lift: 255
Inboard Exhaust Duration at .050 inch Lift: 263
Outboard Exhaust Duration at .050 inch Lift: 265
Advertised Inboard Intake Duration: 305
Advertised Outboard Intake Duration: 307
Advertised Inboard Exhaust Duration: 317
Advertised Outboard Exhaust Duration: 319
Inboard Intake Valve Lift: 0.678
Outboard Intake Valve Lift: 0.678
Inboard Exhaust Valve Lift: 0.661
Outboard Exhaust Valve Lift: 0.661
Lifters Included: No
Valve Springs Required: Yes
Assembly Lubricant Included: No
Camshaft Gear Attachment: 3-Bolt
Camshaft Material: Billet Steel
Engine Family: Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)
Lifter Type: Hydraulic Roller
California Proposition 65: WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Amazon ASIN: B00CWZVWZS
C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?: Yes, but must be a race/competition only vehicle.

Packaging:

Quantity of Each: 1
Package UOM: EA

PDF:

Additional information

Weight 10.7 lbs
Dimensions 24.5 × 3 × 2.75 in

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