COMP Cams 4-Pattern 253/263 IB 255/265 OB Hydraulic Roller Cam Chevrolet Big Block 396-454 11-617-44

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Specifications:

BrandCOMP Cams
Part Number11-617-44
GTIN00036584259718
Camshaft Gear Attachment3
Lifter TypeHydraulic Roller
Grind Number305qio10
Valve Springs RequiredYes
Cam TypeHydraulic Roller
Advertised Inboard Exhaust Duration317 dd
Advertised Inboard Intake Duration305 dd
Advertised Outboard Exhaust Duration319 dd
Advertised Outboard Intake Duration307 dd
Assembly Lubricant IncludedNo
Basic Operating Rpm Range3200-7,500
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.
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.
Camshaft MaterialBillet Steel
Camshaft Series4-pattern
Engine FamilyChevrolet 396-454 C.i. 8 Cylinder (1967-1996)
Inboard Exhaust Duration At .050 Inch Lift263 dd
Inboard Exhaust Valve Lift0.661 in
Inboard Intake Duration At .050 Inch Lift253 dd
Inboard Intake Valve Lift0.678 in
Lifters IncludedNo
Outboard Exhaust Duration At .050 Inch Lift265 dd
Outboard Exhaust Valve Lift0.661 in
Outboard Intake Duration At .050 Inch Lift255 dd
Outboard Intake Valve Lift0.678 in
UsageStrip

Specifications:

Description:

Hydraulic Roller: 4-Pattern 305QIO10 - Recommended in highly modified street/strip or bracket race engines and also works well in 572+c.i.d. Applications.

COMP Cams 4-Pattern 253/263 IB 255/265 OB Hydraulic Roller Cam Chevrolet Big Block 396-454 11-617-44

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Specifications:

Specifications:

Description:

COMP Cams 4-Pattern 253/263 IB 255/265 OB Hydraulic Roller Cam Chevrolet Big Block 396-454 11-617-44

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Specifications: