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Howards Cams Steel Billet Mechanical Roller Camshafts 121153-10 Camshaft, Tappet, Advertised Duration 281/287, Lift .663/.680, Chevy, Big Block, Each

SKU: HRS121153-10

Camshafts

Howards Cams Steel Billet Mechanical Roller Camshafts 121153-10 Camshaft, Tappet, Advertised Duration 281/287, Lift .663/.680, Chevy, Big Block, Each

SKU: HRS121153-10

Camshafts
A$1,064.73
LOW STOCK! Est Ship 4-7 days. In stock at 1 location (3 available)

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Description

Camshaft - Steel Billet - Mechanical Roller - Lift 0.663 / 0.680 in - Duration 281 / 287 - 110 LSA - 3000 / 7000 RPM - Big Block Chevy - Each


Data: v2 - Desc: v4.2 - Upd: 2026-11-08 02:46:04

Data: v4.2 - Upd: 2026-11-08 05:53:02

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

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Howards Cams, HOWARDS RACING COMPONENTS
StreetFX SKU hrs121153-10
SFX Item ID 5097934
Accounting SKU hrs-121153-10
Manufacturer SKU 121153-10
Manufacturer UPC 840793106004
Alternative References HRC121153-10, HRS-121153-10

Camshaft, Mechanical Roller Tappet, Advertised Duration 281/287, Lift .663/.680, Chevy, Big Block, Each

Howards Cams steel billet mechanical roller camshafts are serious cams for serious performance. Cut from billet steel these high-grade, race-quality mechanical roller cams from Howards are ground on precision equipment to ensure awesome performance. Mechanical roller cams offer aggressive power for all-out competition. They're billet, they're Howards, and they're serious-- mechanical roller camshafts!

Product Attributes
BrandHowards Cams
Manufacturer's Part Number121153-10
Part TypeCamshafts
Product LineHowards Cams Steel Billet Mechanical Roller Camshafts
UPC840793106004
Cam StyleSolid roller, Retro-fit
Camshaft UseStreet/Strip
Camshaft Manufacturers DescriptionGood midrange horsepower, rough idle. Needs 11.0:1 compression ratio and up.
Basic Operating RPM Range3,000-7,000
Intake Duration at 050 inch Lift249
Exhaust Duration at 050 inch Lift255
Duration at 050 inch Lift249 int./255 exh.
Advertised Intake Duration281
Advertised Exhaust Duration287
Advertised Duration281 int./287 exh.
Intake Valve Lift with Factory Rocker Arm Ratio0.663 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio0.680 in.
Valve Lift with Factory Rocker Arm Ratio0.663 int./0.680 exh.
Camshaft Gear Attachment3-bolt
Intake Valve Lash0.022 in.
Exhaust Valve Lash0.022 in.
RemanufacturedNo
Computer-Controlled CompatibleNo
Valve Springs RequiredYes
QuantitySold individually.

Compatibility

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