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COMP Cams Camshaft CB 306B-R10

SKU: CCA11-724-9

Camshafts

CCA Camshafts...

COMP Cams Camshaft CB 306B-R10

SKU: CCA11-724-9

Camshafts

CCA Camshafts...

A$1,233.81
Available from MFR. This item is available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical order processing and release times for this part. This item is not held in our own warehouse, and actual dispatch timing may vary depending on manufacturer workload and logistics at the time of ordering.
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Description

BBC - 1965-66 396 c.i.d. models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order. WARNING: Camshaft Optimized for use with a Melanized or Nitrided distributor Gear. Not compatible with cast or Steel Gears without similar surface treatments. Failure to utilize the proper distributor Gear will void all warranties and/or return policies.

Product Overview

Chevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, 454, 427, 502, 396, Caprice, Malibu, Impala, Nova, Monte Carlo, S10, 572

Product Details

Advertised Exhaust Duration:315
Advertised Intake Duration:306
Amazon ASIN:B000V9ET2U
Assembly Lubricant Included:No
Basic Operating RPM Range:4,800-7200
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:Solid Roller
Camshaft Gear Attachment:3-Bolt
Camshaft Material:Billet Steel
Camshaft Series:Drag Race
Description:Drag Race 270/280 Solid Roller Cam for Chevrolet Big Block 396-454
Engine Family:Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)
Exhaust Duration @ .050 in.:280
Exhaust Duration at .050 inch Lift:280
Exhaust Duration:315
Exhaust Valve Lift(in):0.71
Exhaust Valve Lift:0.71
Grind Number:306BR-10
Intake Duration @ .050 in.:270
Intake Duration at .050 Inch Lift:270
Intake Duration:306
Intake Valve Lift(in):0.714
Intake Valve Lift:0.714
Lifter Type:Solid Roller
Lifters Included:No
Lobe Separation:110
Part Number:cca11-724-9
RPM Range:4000-13000
Title:Drag Race 270/280 Solid Roller Cam for 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: 2026-10-16 22:07:06

Specifications

Product Attributes - Brand
COMP Cams
Product Attributes - Manufacturer's Part Number
11-724-9
Product Attributes - Part Type
Camshafts
Product Attributes - Product Line
COMP Cams Drag Race Camshafts
Product Attributes - UPC
036584071808
Product Attributes - Cam Style
Solid roller, Retro-fit
Product Attributes - Camshaft Use
Drag race
Product Attributes - Basic Operating RPM Range
4,800-7,200
Product Attributes - Intake Duration at 050 inch Lift
270
Product Attributes - Exhaust Duration at 050 inch Lift
280
Product Attributes - Duration at 050 inch Lift
270 int./280 exh.
Product Attributes - Advertised Intake Duration
306
Product Attributes - Advertised Exhaust Duration
315
Product Attributes - Advertised Duration
306 int./315 exh.
Product Attributes - Intake Valve Lift with Factory Rocker Arm Ratio
0.714 in.
Product Attributes - Exhaust Valve Lift with Factory Rocker Arm Ratio
0.710 in.
Product Attributes - Valve Lift with Factory Rocker Arm Ratio
0.714 int./0.710 exh.
Product Attributes - Lobe Separation (degrees)
110
Product Attributes - Intake Valve Lash
0.024 in.
Product Attributes - Exhaust Valve Lash
0.026 in.
Product Attributes - Remanufactured
No
Product Attributes - Computer-Controlled Compatible
No
Product Attributes - Grind Number
CB 306B-R10
Product Attributes - Valve Springs Required
Yes
Product Attributes - Quantity
Sold individually.
Product Attributes - Notes
Requires thrust button, wear plate, and aftermarket distributor gear. Recommended for 468 cu. in. and larger engines.

Reference Information

Brand Name/s Comp Cams
StreetFX SKU cca11-724-9
SFX Item ID 4118522
Supplier Item Code 4118522
Manufacturer SKU 11-724-9
Manufacturer UPC 36584071808
Alternative References c10, s10, COM11-724-9, 306B-R10

Compatibility

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

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