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COMP Cams Camshaft CB 305Qio10

SKU: CCA11-617-44

Camshafts

CCA Camshafts...

COMP Cams Camshaft CB 305Qio10

SKU: CCA11-617-44

Camshafts

CCA Camshafts...

A$1,479.20
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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.

Product Overview

*4-Pattern Camshafts* * Optimize valve events based on runner length * Feature a large increase in both area under the curve and stability at high RPM * Feature four lobe patterns; one intake & exhaust design for outboard runners and another intake & exhaust design for inboard runners * Technology developed and race-proven in NASCAR

Product Details

Advertised Inboard Exhaust Duration:317
Advertised Inboard Intake Duration:305
Advertised Outboard Exhaust Duration:319
Advertised Outboard Intake Duration:307
Amazon ASIN:B00CWZVWZS
Assembly Lubricant Included:No
Basic Operating RPM Range:3200-7,500
C.A.R.B. E.O. Number:N/A
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.
C.A.R.B. Exemption Reason:N/A
California Proposition 65:WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Cam Type:Hydraulic Roller
Camshaft Gear Attachment:3-Bolt
Camshaft Material:Billet Steel
Camshaft Series:4-Pattern
Description:4-Pattern 253/263 IB 255/265 OB Hydraulic Roller Cam Chevrolet Big Block 396-454
Engine Family:Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)
Exhaust Duration @ .050 in.:265
Exhaust Duration:319
Exhaust Valve Lift(in):0.661
Grind Number:305QIO10
Inboard Exhaust Duration at .050 inch Lift:263
Inboard Exhaust Valve Lift:0.661
Inboard Intake Duration at .050 Inch Lift:253
Inboard Intake Valve Lift:0.678
Intake Duration @ .050 in.:255
Intake Duration:307
Intake Valve Lift(in):0.678
Lifter Type:Hydraulic Roller
Lifters Included:No
Outboard Exhaust Duration at .050 inch Lift:265
Outboard Exhaust Valve Lift:0.661
Outboard Intake Duration at .050 Inch Lift:255
Outboard Intake Valve Lift:0.678
Part Number:cca11-617-44
RPM Range:3200-7400
Title:4-Pattern 253/263 IB 255/265 OB Hydraulic Roller Cam Chevrolet Big Block 396-454
Usage:Strip
Valve Springs Required:Yes

Application Summary

Chevrolet GEN IV 396-454 Big Block Engines Originally Equipped with Flat Tappet Camshafts

Part Type

Engine Camshaft

Data: v4.2 - Upd: 2026-10-13 17:49:25

Specifications

Product Attributes - Brand
COMP Cams
Product Attributes - Manufacturer's Part Number
11-617-44
Product Attributes - Part Type
Camshafts
Product Attributes - Product Line
COMP Cams 4-Pattern Hydraulic Roller Camshafts
Product Attributes - UPC
036584259718
Product Attributes - Cam Style
Hydraulic roller, Retro-fit
Product Attributes - Camshaft Use
Drag race
Product Attributes - Camshaft Manufacturers Description
Recommended in highly modified street/ strip or bracket race engines and also works well in 572+ cubic inch applications.
Product Attributes - Basic Operating RPM Range
3,200-7,500
Product Attributes - Intake Duration at 050 inch Lift
255/253
Product Attributes - Exhaust Duration at 050 inch Lift
265/263
Product Attributes - Duration at 050 inch Lift
255 int./265 exh., 253 int./263 exh.
Product Attributes - Advertised Intake Duration
307/305
Product Attributes - Advertised Exhaust Duration
319/317
Product Attributes - Advertised Duration
307 int./319 exh., 305 int./317 exh.
Product Attributes - Intake Valve Lift with Factory Rocker Arm Ratio
0.678 in./0.678 in.
Product Attributes - Exhaust Valve Lift with Factory Rocker Arm Ratio
0.661 in./0.661 in.
Product Attributes - Valve Lift with Factory Rocker Arm Ratio
0.678 int./0.661 exh., 0.678 int./0.661 exh.
Product Attributes - Lobe Separation (degrees)
110
Product Attributes - Camshaft Gear Attachment
3-bolt
Product Attributes - Remanufactured
No
Product Attributes - Computer-Controlled Compatible
No
Product Attributes - Grind Number
305QIO10
Product Attributes - Valve Springs Required
Yes
Product Attributes - Quantity
Sold individually.

Reference Information

Brand Name/s Comp Cams
StreetFX SKU cca11-617-44
SFX Item ID 4118486
Supplier Item Code 4118486
Manufacturer SKU 11-617-44
Manufacturer UPC 36584259718
Alternative References c10, s10, 305Qio10

Compatibility

Chevrolet GEN IV 396-454 Big Block Engines Originally Equipped with Flat Tappet Camshafts

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