Free Ground Shipping on orders over $150

Free shipping offer available online only Via FedEx Ground within the continental US (excludes Hawaii and Alaska).

Qualifies on any purchase of $150 or more on order subtotal (pre-tax).

Free shipping does not apply to returns, exchanges, defective returns or drop ship items. Some restrictions apply.

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Valve Timing Charts

Chevy Rocker Installation (PDF)

Dodge Rocker Installation (PDF)

Cam Gear Install Instructions (PDF)

Cam & Lifter Install Information (PDF)

Currency Exchange Rates

Federal Express Shipping Rates

UPS Shipping Rates

Becoming a Crower Dealer

Methods of Payment

C.O.D. Policy

Crower Fuel Injection

Request for Sponsorship

Request for Decals

Use of Synthetic Oils

How do I measure a cam's base circle size?


Becoming a Crower Dealer
For questions regarding becoming an authorized Crower distributor please email Crower Customer Service.

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Methods of Payment
If ordering online, payment by credit card is the only accepted method of payment (MC, Visa, Amex, Discover).

If ordering by phone direct from the factory, payment by credit card is accepted (MC, Visa, Amex, Discover), however parts must be shipped to the address that the credit card is billed to. To arrange shipping to another address you must contact your credit card company to add an auxiliary address.

Crower accepts only U.S. Postal money orders, certified checks, cashiers checks and bank drafts as deposits or full payments. For bank wires, please email Crower Customer Service.

Important: Your bank will charge a $50 Bank Wire Fee. Include this with your total payment. 

Company checks are acceptable only if you have established credit with Crower prior to your order. Open accounts may be arranged by emailing Crower Customer Service.

Personal and non-certified check are accepted, however you must allow 2-3 weeks for check to clear before parts are sghipped or production begins. Credit applications are available upon request. A minimum of 50% deposit is required on all custom parts.

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C.O.D. Policy
All shipments will be made C.O.D. only (cashiers check or money order as of 1/99...NO CASH), unless prepayment is received with the order or prior arrangements have been made for open account. Prepayments must be made by cashier's check or money order only. Company checks will be accepted only with established credit. Personal checks are acceptable, but must wait for check to clear before proceeding with order. Allow 2 to 3 weeks for personal checks to clear.

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Crower Fuel Injection
The Crower Fuel Injection Division was sold to Ron's Racing in Tucson, AZ in 1990.
For information, please contact Ron's Racing at 800-513-FUEL (3835) or Ron's Email

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Request for Sponsorship
Submit sponsorship proposal in writing in for evaluation. Crower does not participate in monetary programs.
Special pricing consideration on certain products.

Send to:

Advertising & Marketing
Crower Cams & Equip Co
6180 Business Center Court
San Diego, CA 92154

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Request for Decals
Crower is happy to provide decals free of charge, however we do require that you send a postage paid return envelope to cover shipping.
Be sure to include the return address.

Send to:

Advertising & Marketing
Crower Cams & Equip Co
6180 Business Center Court
San Diego, CA 92154

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Use of Synthetic Oils
Crower does not recommend the use of synthetic motor oil in any application, particularly in hydraulic and flat tappet camshafts. If your car manufacturer's owners manual suggests running synthetic oil, you may do so. The minimum gains in horsepower are offset by the excessive wear to cam and lifter surfaces. We have found that the benefits, of synthetic motor oil, do not outweigh the costs and may endanger your engine's life. Crower recommends a non-detergent / race only petroleum based 30wt. motor oil in all performance applications. The lack of phosphorus and zinc in current oil blends is catastrophic to engine longevity. For all applications we do recommend running our ZDDPlus additive, which adds zinc and phosphorus back into the oil. For additional information on oil, click here!

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How do I measure a cam's base circle size?
Look at a cam lobe as if you were looking at an egg. Put the pointy end (the nose of the lobe) up, pointing to the sky, and therefore the fatter part towards the ground. Once you have done this, you want to measure the width of the cam lobe. With the nose pointing up you will measure the lobe horizontally. These 2 pictures should illustrate how to measure the cam's base circle size, correctly.

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Level 1 indicates a good stock replacement camshaft. These profiles are designed to enhance throttle response and low end torque in vans, trucks, passenger cars and mild marine applications while delivering fuel efficient motoring. High vacuum, smooth idle and maximum efficiency are characteristics of these cams. Stock or small cfm carburetor, small diameter tube headers and dual exhaust are recommended for maximum benefit. Intended for stock or near-stock engines and drive trains, 8.5:1 compression, 2.70 to 3.25 ring and pinion, automatic transmission with stock converter or four-speed manual transmission.

If you are uncertain as to which cam profile best suits your needs, please contact our technical support staff at 619-661-6477.

Level 2 profiles are for individuals that require more power and an extended rpm range. Works well with stock or near-stock engines and drive trains in a lightly modified street engine. These camshafts provide excellent low end and mid-range power for spirited street, off road driving and mild marine applications. Modifications that should accompany installation of these cams include small diameter tube headers, low restriction dual exhaust, aftermarket manifold, increased cfm carburetor and reworked or performance ignition. Increased compression (9.5:1) is recommended for maximum output. Aftermarket torque converter with slightly higher stall speed is recommended because stock factory converters do not allow the engine to provide adequate idle speed and off idle performance. These camshafts work well with four-speed manual transmission.

If you are uncertain as to which cam profile best suits your needs, please contact our technical support staff at 619-661-6477.

Level 3 camshafts are designed for moderately modified engines. Intended for performance hot street/strip and performance marine applications, these profiles have a moderate lope at idle and offer an extended rpm range with emphasis on upper bottom to top end power and a strong mid-range. These higher lift, longer duration camshafts demand close attention to rear end gearing and tire diameter combinations. The secret here is to pick a ring and pinion gear set and tire diameter that keeps the engine in its optimum rpm power range. These profiles perform well with four-speed manual transmissions or automatic transmissions if a high stall torque converter is employed. Headers, dual exhaust, larger than stock carburetor, performance manifold and increased compression (9.5:1 to 10.5:1) are required. Mild porting and larger valves will improve performance.

If you are uncertain as to which cam profile best suits your needs, please contact our technical support staff at 619-661-6477.

Level 4 camshafts are designed for heavily modified engines. These camshaft have a definite lope at idle and are best suited for dual purpose hot street/drag strip, hot marine or oval track applications. These grinds exhibit strong mid-range to top end torque and horsepower. Headers, dual exhaust, large cfm carburetor, performance ignition and increased compression of 10.25:1 and above are required. Cylinder head modifications would be beneficial. Use with standard manual transmission or automatic with high stall torque converter. Again, close attention to proper ring and pinion and tire diameter selection is imperative.

If you are uncertain as to which cam profile best suits your needs, please contact our technical support staff at 619-661-6477.

Level 5 camshafts are designed for fully prepared, high compression, all-out racing engines and chassis. Extensive cylinder head modification, bigger valves, lightweight valve train, titanium valves, maximum flow carburetion or fuel injection, racing gas, alky or nitro, magneto or electronic ignition, performance rod and crank assembly and increased engine clearances are required for maximum benefit.

If you are uncertain as to which cam profile best suits your needs, please contact our technical support staff at 619-661-6477.

This camshaft's Performance Level varies by CID group. Please see information specific to your CID group in the more detailed product description below.

Level 1 indicates a good stock replacement camshaft. These profiles are designed to enhance throttle response and low end torque in vans, trucks, passenger cars and mild marine applications while delivering fuel efficient motoring. High vacuum, smooth idle and maximum efficiency are characteristics of these cams. Stock or small cfm carburetor, small diameter tube headers and dual exhaust are recommended for maximum benefit. Intended for stock or near-stock engines and drive trains, 8.5:1 compression, 2.70 to 3.25 ring and pinion, automatic transmission with stock converter or four-speed manual transmission.

Level 2 profiles are for individuals that require more power and an extended rpm range. Works well with stock or near-stock engines and drive trains in a lightly modified street engine. These camshafts provide excellent low end and mid-range power for spirited street, off road driving or mild marine applications. Modifications that should accompany installation of these cams include small diameter tube headers, low restriction dual exhaust, aftermarket manifold, increased cfm carburetor and reworked or performance ignition. Increased compression (9.5:1) is recommended for maximum output. Aftermarket torque converter with slightly higher stall speed is recommended because stock factory converters do not allow the engine to provide adequate idle speed and off idle performance. These camshafts works well with four-speed manual transmission.

If you are uncertain as to which cam profile best suits your needs, please contact our technical support staff at 619-661-6477.

This camshaft's Performance Level varies by CID group. Please see information specific to your CID group in the more detailed product description below.

Level 2 profiles are for individuals that require more power and an extended rpm range. Works well with stock or near-stock engines and drive trains in a lightly modified street engine. These camshafts provide excellent low end and mid-range power for spirited street, off road driving or mild marine applications. Modifications that should accompany installation of these cams include small diameter tube headers, low restriction dual exhaust, aftermarket manifold, increased cfm carburetor and reworked or performance ignition. Increased compression (9.5:1) is recommended for maximum output. Aftermarket torque converter with slightly higher stall speed is recommended because stock factory converters do not allow the engine to provide adequate idle speed and off idle performance. These camshafts works well with four-speed manual transmission.

Level 3 camshafts are designed for moderately modified engines. Intended for performance hot street/strip and performance marine applications, these profiles have a moderate lope at idle and offer an extended rpm range with emphasis on upper bottom to top end power and a strong mid-range. These higher lift, longer duration camshafts demand close attention to rear end gearing and tire diameter combinations. The secret here is to pick a ring and pinion gear set and tire diameter that keeps the engine in its optimum rpm power range. These profiles perform well with four-speed manual transmissions or automatic transmissions if a high stall torque converter is employed. Headers, dual exhaust, larger than stock carburetor, performance manifold and increased compression (9.5:1 to 10.5:1) are required. Mild porting and larger valves will improve performance.

If you are uncertain as to which cam profile best suits your needs, please contact our technical support staff at 619-661-6477.

This camshaft's Performance Level varies by CID group. Please see information specific to your CID group in the more detailed product description below.

Level 3 camshafts are designed for moderately modified engines. Intended for performance hot street/strip and performance marine applications, these profiles have a moderate lope at idle and offer an extended rpm range with emphasis on upper bottom to top end power and a strong mid-range. These higher lift, longer duration camshafts demand close attention to rear end gearing and tire diameter combinations. The secret here is to pick a ring and pinion gear set and tire diameter that keeps the engine in its optimum rpm power range. These profiles perform well with four-speed manual transmissions or automatic transmissions if a high stall torque converter is employed. Headers, dual exhaust, larger than stock carburetor, performance manifold and increased compression (9.5:1 to 10.5:1) are required. Mild porting and larger valves will improve performance.

Level 4 camshafts are designed for heavily modified engines. They have a definite lope at idle and are best suited for dual purpose hot street/drag strip, hot marine and oval track applications. These grinds exhibit strong mid-range to top end torque and horsepower. Headers, dual exhaust, large cfm carburetor, performance ignition and increased compression of 10.25:1 and above are required. Cylinder head modifications would be beneficial. Use with standard manual transmission or automatic with high stall torque converter. Again, close attention to proper ring and pinion,tire diameter selection is imperative.

If you are uncertain as to which cam profile best suits your needs, please contact our technical support staff at 619-661-6477.