Howards Cams Retrofit Hydraulic Roller Camshafts 120245-12 Camshaft, Retrofit, Tappet, Advertised Duration 278/284, Lift .567/.578, Chevy, Big Block
Howards Cams Retrofit Hydraulic Roller Camshafts 120245-12 Camshaft, Retrofit, Tappet, Advertised Duration 278/284, Lift .567/.578, Chevy, Big Block
Description
Camshaft - Hydraulic Roller - Lift 0.567 / 0.578 in - Duration 278 / 284 - 112 LSA - 1800 / 5400 RPM - Big Block Chevy - Each
Data: v2 - Desc: v4.2 - Upd: 2026-11-08 02:46:06
Features
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Specifications
Reference Information
| Reference Data (Provide these details to our support team) | |
|---|---|
| Brand Name/s | Howards Cams, HOWARDS RACING COMPONENTS |
| StreetFX SKU | hrs120245-12 |
| SFX Item ID | 5098776 |
| Accounting SKU | hrs-120245-12 |
| Manufacturer SKU | 120245-12 |
| Manufacturer UPC | 840793105175 |
| Alternative References | HRC120245-12, HRS-120245-12 |
Camshaft, Retrofit, Hydraulic Roller Tappet, Advertised Duration 278/284, Lift .567/.578, Chevy, Big Block
Howards Cams retrofit hydraulic roller camshafts offer more lift and more power for less money. These street performance grinds are perfect for those wanting to upgrade to hydraulic roller cams. Manufactured using the highest grade race-quality cores, Howards precision-grinds their cams to provide the quality and performance that you want at a reasonable price. Overhaul your valvetrain for mild to wild street performance with Howards Cams retrofit hydraulic roller camshafts. Hundreds of models are available for a wide range of vehicles from the 1950s and up.
| Product Attributes | |
|---|---|
| Brand | Howards Cams |
| Manufacturer's Part Number | 120245-12 |
| Part Type | Camshafts |
| Product Line | Howards Cams Retrofit Hydraulic Roller Camshafts |
| UPC | 840793105175 |
| Cam Style | Hydraulic roller, Retro-fit |
| Camshaft Use | Street/Strip |
| Camshaft Manufacturers Description | Fair idle, street and mild performance usage. Crisp throttle. |
| Basic Operating RPM Range | 1,800-5,400 |
| Intake Duration at 050 inch Lift | 225 |
| Exhaust Duration at 050 inch Lift | 231 |
| Duration at 050 inch Lift | 225 int./231 exh. |
| Advertised Intake Duration | 278 |
| Advertised Exhaust Duration | 284 |
| Advertised Duration | 278 int./284 exh. |
| Intake Valve Lift with Factory Rocker Arm Ratio | 0.567 in. |
| Exhaust Valve Lift with Factory Rocker Arm Ratio | 0.578 in. |
| Valve Lift with Factory Rocker Arm Ratio | 0.567 int./0.578 exh. |
| Camshaft Gear Attachment | 3-bolt |
| Remanufactured | No |
| Computer-Controlled Compatible | No |
| Valve Springs Required | Yes |
| Quantity | Sold individually. |
| Notes | Retrofit roller cam for engines that did not originally come with a roller cam. |
Compatibility
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