Description
Camshaft - Magnum - Hydraulic Flat Tappet - Lift 0.575 / 0.575 in - Duration 305 / 305 - 110 LSA - 3000 / 6800 RPM - Big Block Chevy - Each
Mag 253/253 HFTBBC
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.
Additional Information
Limited street use or bracket racing. 10.5:1+ compression, 3500+ stall or 4 speed. 4.10 or lower gears. Radical Idle.
Application Summary
Chevrolet GEN IV 396-454 Big Block Engines Originally Equipped with Flat Tappet Camshafts
Part Type
Engine Camshaft
Product Overview
*Magnum Camshafts*
⢠Great high RPM power
⢠Easy on valve train parts
⢠Can be used with mild ratio rocker arms and traditional performance valve springsAvailable
⢠Best with aftermarket converter and 9.5:1+ compression
| Additional Application Notes | |
|---|---|
| • Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle Hyd. Flat Tappet; 3000-6800rpm; Adv. Dur. 305 Int./Exh.; Valve Lift .575 Int./Exh.; Lobe Angle 110 deg.; | |
| • w/ S Engine VIN; Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle Hyd. Flat Tappet; 3000-6800rpm; Adv. Dur. 305 Int./Exh.; Valve Lift .575 Int./Exh.; Lobe Angle 110 deg.; | |
| • w/ S Engine VIN; | |
| • w/ W Engine VIN; | |
| • w/ W Engine VIN; Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle Hyd. Flat Tappet; 3000-6800rpm; Adv. Dur. 305 Int./Exh.; Valve Lift .575 Int./Exh.; Lobe Angle 110 deg.; | |
These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.
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: | 305 |
| Advertised Intake Duration: | 305 |
| Amazon ASIN: | B000CESFH4 |
| Assembly Lubricant Included: | Yes |
| Basic Operating RPM Range: | 3,000-6800 |
| 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: | Hydraulic Flat Tappet |
| Cam and Lifter Kit Upgrade: | CL11-214-4 |
| Camshaft Gear Attachment: | 3-Bolt |
| Camshaft Material: | Cast Iron |
| Camshaft Series: | Magnum |
| Description: | Magnum 253/253 Hydraulic Flat Cam for Chevrolet Big Block 396-454 |
| Engine Family: | Chevrolet 396-454 c.i. 8 Cylinder (1967-1996) |
| Exhaust Duration @ .050 in.: | 253 |
| Exhaust Duration at .050 inch Lift: | 253 |
| Exhaust Duration: | 305 |
| Exhaust Valve Lift(in): | 0.575 |
| Exhaust Valve Lift: | 0.575 |
| Grind Number: | 305H |
| Intake Duration @ .050 in.: | 253 |
| Intake Duration at .050 Inch Lift: | 253 |
| Intake Duration: | 305 |
| Intake Valve Lift(in): | 0.575 |
| Intake Valve Lift: | 0.575 |
| K-Kit Upgrade: | K11-214-4 |
| Lifter Type: | Hydraulic Flat Tappet |
| Lifters Included: | No |
| Part Number: | cca11-214-4 |
| RPM Range: | 3000-9000 |
| SK-Kit Upgrade: | SK11-214-4 |
| Title: | Magnum 253/253 Hydraulic Flat Cam for Chevrolet Big Block 396-454 |
| Usage: | Street/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.
Reference Information
| Reference Data (Provide these details to our support team) | |
|---|---|
| Brand Name/s | Comp Cams, Comp Cams (edelbrock) |
| StreetFX SKU | cca11-214-4 |
| SFX Item ID | 4118388 |
| Accounting SKU | cca-11-214-4 |
| Manufacturer SKU | 11-214-4 |
| Manufacturer UPC | 036584520023 |
| Alternative References | 11-214-4, CCA-11-214-4, COM11-214-4 |
Camshaft, Hydraulic Flat Tappet, Advertised Duration 305/305, Lift .575/.575, Chevy, Big Block, Each
Designed for hot street/strip cars, COMP Cams Magnum series cams require a higher compression ratio, rear-end gear ratio, and stall torque converter than stock. With a very aggressive profile, these Magnum hydraulic camshafts provide maximum top-end performance for your high performance car.
| Product Attributes | |
|---|---|
| Brand | COMP Cams |
| Manufacturer's Part Number | 11-214-4 |
| Part Type | Camshafts |
| Product Line | COMP Cams Magnum Hydraulic Camshafts |
| UPC | 036584520023 |
| Cam Style | Hydraulic flat tappet |
| Camshaft Use | Street/Strip |
| Basic Operating RPM Range | 3,000-6,800 |
| Intake Duration at 050 inch Lift | 253 |
| Exhaust Duration at 050 inch Lift | 253 |
| Duration at 050 inch Lift | 253 int./253 exh. |
| Advertised Intake Duration | 305 |
| Advertised Exhaust Duration | 305 |
| Advertised Duration | 305 int./305 exh. |
| Intake Valve Lift with Factory Rocker Arm Ratio | 0.575 in. |
| Exhaust Valve Lift with Factory Rocker Arm Ratio | 0.575 in. |
| Valve Lift with Factory Rocker Arm Ratio | 0.575 int./0.575 exh. |
| Remanufactured | No |
| Computer-Controlled Compatible | No |
| Grind Number | CB 305H-10 |
| Valve Springs Required | Yes |
| Quantity | Sold individually. |
Compatibility
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