Street. Track. Everything between.
07 3276 7829
Your garage Find parts for your vehicle Select year, make and model to narrow your search.

COMP Cams Camshaft CS 284Btl-6

SKU: CCA12-505-5

Camshafts

CCA Camshafts...

COMP Cams Camshaft CS 284Btl-6

SKU: CCA12-505-5

Camshafts

CCA Camshafts...

Sale ends in Calculating...

A$722.45 A$805.55
Available from MFR. In stock at 1 location (only 1 available)

Added to cart

We accept
American Express
Mastercard
Visa
PayPal Checkout
Direct Deposit
Afterpay
Apple Pay
Google Pay
Zip Pay

Description

Exclusive Comp Cams flash sale discount at StreetFX!

Talk about timing! This is a limited offer while stocks last on various Comp Cams part numbers. There's never been a better time to buy your Comp Cams upgrades, so what are you waiting for?!

This item is currently on sale!

Same-day payment required to secure promotional price. Promotions may end early or be extended based on stock levels or other factors.

Camshaft - Tight Lash - Mechanical Flat Tappet - Lift 0.540 / 0.550 in - Duration 284 / 288 - 106 LSA - 3200 / 7000 RPM - Small Block Chevy - Each

TL254/259 SFTSBC

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

Great in Late Model Stock on 3/8 to 1/2 mile asphalt track. Best in 358 with limited intake and carburetor.

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: 2026-11-11 23:14:24

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:288
Advertised Intake Duration:284
Amazon ASIN:B000CEQDFU
Assembly Lubricant Included:Yes
Basic Operating RPM Range:3200-7,000
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:Tight Lash
Description:Tight Lash 254/259 Solid Flat Cam for Chevrolet Small Block
Engine Family:Chevrolet 262-400 c.i. 8 Cylinder (1958-1998)
Exhaust Duration @ .050 in.:259
Exhaust Duration at .050 inch Lift:259
Exhaust Duration:288
Exhaust Valve Lift(in):0.55
Exhaust Valve Lift:0.55
Grind Number:284BTL-6
Intake Duration @ .050 in.:254
Intake Duration at .050 Inch Lift:254
Intake Duration:284
Intake Valve Lift(in):0.540
Intake Valve Lift:0.54
Lifter Type:Solid Flat Tappet
Lifters Included:No
Part Number:cca12-505-5
RPM Range:3000-9000
Title:Tight Lash 254/259 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 19:00:56

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Comp Cams, Comp Cams (edelbrock)
StreetFX SKU cca12-505-5
SFX Item ID 4118703
Accounting SKU cca-12-505-5
Manufacturer SKU 12-505-5
Manufacturer UPC 036584540205
Alternative References 12-505-5, CCA-12-505-5, COM12-505-5

Camshaft, Mechanical Flat Tappet, Advertised Duration 284/288, Lift .540/.550, Chevy, Small Block, Each

These tight lash camshafts from COMP Cams are designed for Circle Track and drag racing applications where a tight lash is necessary. These cams produce good torque and power and can handle high, sustained rpm.

Product Attributes
BrandCOMP Cams
Manufacturer's Part Number12-505-5
Part TypeCamshafts
Product LineCOMP Cams Tight Lash Camshafts
UPC036584540205
Cam StyleSolid flat tappet
Camshaft UseDrag race
Basic Operating RPM Range3,200-7,000
Intake Duration at 050 inch Lift254
Exhaust Duration at 050 inch Lift259
Duration at 050 inch Lift254 int./259 exh.
Advertised Intake Duration284
Advertised Exhaust Duration288
Advertised Duration284 int./288 exh.
Intake Valve Lift with Factory Rocker Arm Ratio0.540 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio0.550 in.
Valve Lift with Factory Rocker Arm Ratio0.540 int./0.550 exh.
Intake Valve Lash0.018 in.
Exhaust Valve Lash0.020 in.
RemanufacturedNo
Computer-Controlled CompatibleNo
Grind NumberCS 284BTL-6
Valve Springs RequiredYes
QuantitySold individually.
NotesDesigned for 3/8 to 1/2 mile oval tracks.

Compatibility

Loading compatibility information...

Keep shopping

More from Comp Cams