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COMP Cams Camshaft CS 47S 296TLS-6

SKU: CCA12-687-47

Camshafts

CCA Camshafts...

COMP Cams Camshaft CS 47S 296TLS-6

SKU: CCA12-687-47

Camshafts

CCA Camshafts...

A$751.40
Last Available from MFR. LAST ONE AVAILABLE from the manufacturer's distribution centre. Once sold, this item may not be immediately available again. The dispatch timeframe shown is an estimate based on historical orders for this part and is dependent on the manufacturer releasing the final available unit.

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Description

DR47 266/274 SFT SBC

SBC - 1955-57 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.

Additional Information

350-400, 12:1 compression, 4800+ stall.

Application Summary

Fits Chevrolet GEN 1 Small Blocks including the 262, 265, 267, 283, 302, 305, 307, 327, 350 and 400. Does not fit LT1/LT4, or factory roller Small Blocks built from 1985 and newer. GM gradually added roller camshafts to 305's and 350's from the mid 80's forward. Camaros/Firebirds/Corvettes received the roller cams early, but many trucks and SUV's had flat tappet cams until the mid 90's. Remove the intake or timing cover to confirm whether the block is a factory roller or flat tappet. Does not fit the LS1, LS2, LS3 or any LS-based 4.8, 5.3, 5.7, 6.0 and 6.2. 1955-1957 Chevrolet 265 engines require a groove on the 5th cam journal for oiling. Contact us for more information.

Part Type

Engine Camshaft

Product Overview

Fits Chevrolet GEN 1 Small Blocks including the 262, 265, 267, 283, 302, 305, 307, 327, 350 and 400. Does not fit LT1/LT4, or factory roller Small Blocks built from 1985 and newer. GM gradually added roller camshafts to 305's and 350's from the mid 80's forward. Camaros/Firebirds/Corvettes received the roller cams early, but many trucks and SUV's had flat tappet cams until the mid 90's. Remove the intake or timing cover to confirm whether the block is a factory roller or flat tappet. Does not fit the LS1, LS2, LS3 or any LS-based 4.8, 5.3, 5.7, 6.0 and 6.2. 1955-1957 Chevrolet 265 engines require a groove on the 5th cam journal for oiling. Contact us for more information.

Data: v4.2 - Upd: 2026-11-07 21:25:16

Features

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Product Details

Advertised Exhaust Duration:304
Advertised Intake Duration:296
Amazon ASIN:B001G7CX24
Assembly Lubricant Included:Yes
Basic Operating RPM Range:4,500-7500
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.
Cam Type:Solid Flat Tappet
Camshaft Gear Attachment:3-Bolt
Camshaft Material:Cast Iron
Camshaft Series:Drag Race 4 and 7 Swap Firing Order
Description:Drag Race 4/7 Swap 266/274 Solid Flat Cam for Chevrolet Small Block
Engine Family:Chevrolet 262-400 c.i. 8 Cylinder (1958-1998)
Exhaust Duration @ .050 in.:274
Exhaust Duration at .050 inch Lift:274
Exhaust Duration:304
Exhaust Valve Lift(in):0.59
Exhaust Valve Lift:0.59
Grind Number:47S 296TLS-6
Intake Duration @ .050 in.:266
Intake Duration at .050 Inch Lift:266
Intake Duration:296
Intake Valve Lift(in):0.570
Intake Valve Lift:0.57
Lifter Type:Solid Flat Tappet
Lifters Included:No
Part Number:cca12-687-47
RPM Range:3000-9000
Title:Drag Race 4/7 Swap 266/274 Solid Flat Cam for Chevrolet Small Block
Usage:Strip
Valve Springs Required:Yes

Product Downloads

# Document Type Download
1. Catalog

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Data: v2 - Desc: v4.2 - Upd: 2026-11-07 19:01:15

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Comp Cams, Comp Cams (edelbrock)
StreetFX SKU cca12-687-47
SFX Item ID 4118807
Accounting SKU cca-12-687-47
Manufacturer SKU 12-687-47
Manufacturer UPC 036584084136
Alternative References 12-687-47, CCA-12-687-47

Camshaft, Mechanical Flat Tappet, Advertised Duration 296/304, Lift .570/.590, Chevy, Small Block, Each

COMP Cams drag race camshafts are offered in four styles: hydraulic flat tappet, hydraulic roller tappet, mechanical roller tappet, and mechanical flat tappet. These cams are ideal for the performance demands of the dragstrip, as well as street, strip, Circle Track, and other applications. Over a hundred models are available; choose the camshaft designed for your vehicle and engine family.

Product Attributes
BrandCOMP Cams
Manufacturer's Part Number12-687-47
Part TypeCamshafts
Product LineCOMP Cams Drag Race Camshafts
UPC036584084136
Cam StyleSolid flat tappet
Camshaft UseDrag race
Basic Operating RPM Range4,500-7,500
Intake Duration at 050 inch Lift266
Exhaust Duration at 050 inch Lift274
Duration at 050 inch Lift266 int./274 exh.
Advertised Intake Duration296
Advertised Exhaust Duration304
Advertised Duration296 int./304 exh.
Intake Valve Lift with Factory Rocker Arm Ratio0.570 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio0.590 in.
Valve Lift with Factory Rocker Arm Ratio0.570 int./0.590 exh.
RemanufacturedNo
Computer-Controlled CompatibleNo
Grind NumberCS 47S 296TLS-6
Valve Springs RequiredYes
QuantitySold individually.
NotesCam has 4/7 swap firing order.

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