COMP Cams
COMP Cams Camshaft CS 300A-R6 .900 Bc 12-993-9
COMP Cams Camshaft CS 300A-R6 .900 Bc 12-993-9
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$599.66 USD
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$599.66 USD
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COMP Cams Camshaft CS 300A-R6 .900 Bc, with the part number and details listed below. The camshaft sets when each valve opens and how far. Its profile shapes how the engine makes power.
Quick facts
- Brand: COMP Cams
- Part type: Camshaft
Listed fitment
- 1995 - 1996 AM General Hummer Base
- 1980 - 1991 Avanti II Base
- 1985 Avanti II GT
- 1980 Buick Century Base, Estate, Limited, Sport
- 1991 - 1996 Buick Commercial Chassis Base
- 1980 Buick Regal Sport, Base, Limited
- 1996 Buick Roadmaster Collector's Edition, Estate Wagon Collector's Edition, Limited Collector's Edition
- 1991 - 1995 Buick Roadmaster Estate Wagon
- 1992 - 1995 Buick Roadmaster Limited, Base
- 1990 - 1992 Cadillac Brougham Base, d'Elegance
- 1992 - 1996 Cadillac Commercial Chassis Brougham, Base
- 1993 - 1996 Cadillac Fleetwood Brougham, Base
- 1980 - 1982 Checker Marathon Base, Deluxe
- 1994 Chevrolet Blazer Base, Silverado Sport
- 1992 - 1993 Chevrolet Blazer Cheyenne
- 1987 Chevrolet Blazer Custom Deluxe
- 1991 - 1994 Chevrolet Blazer Nevada
- 1988 - 1991 Chevrolet Blazer Scottsdale
- 1987 - 1994 Chevrolet Blazer Silverado
- 1980 Chevrolet C10 Big Ten, Custom Deluxe
- 1980 - 1981 Chevrolet C10 Cheyenne
- 1981 Chevrolet C10 Deluxe
- 1980 - 1986 Chevrolet C10 Scottsdale, Silverado, Custom
- 1981 - 1986 Chevrolet C10 Suburban Custom
- 1980 Chevrolet C10 Suburban Custom Deluxe
- 1981 Chevrolet C10 Suburban Deluxe
- 1980 - 1986 Chevrolet C10 Suburban Scottsdale, Silverado
- 1990 - 1993 Chevrolet C1500 454 SS
- 1989 - 1995 Chevrolet C1500 Base
- 1988 - 1995 Chevrolet C1500 Cheyenne, Silverado
- 1988 - 1992 Chevrolet C1500 Scottsdale
- 1990 - 1995 Chevrolet C1500 WT
- 1992 - 1995 Chevrolet C1500 Suburban Base
- 1995 Chevrolet C1500 Suburban LS, LT
- 1992 - 1994 Chevrolet C1500 Suburban Silverado
- 1986 Chevrolet C20 Base
- 1981 - 1986 Chevrolet C20 Custom
- 1980 Chevrolet C20 Custom Deluxe
- 1981 Chevrolet C20 Deluxe
- 1980 - 1986 Chevrolet C20 Scottsdale, Cheyenne, Silverado
- …and 267 more
Tip: Follow the cam break-in procedure for flat-tappet cams, and use assembly lube on the lobes.
COMP Cams camshaft: what to know
Performance cams trade some low-speed manners for more power higher in the rev range. Stock-profile cams restore factory behavior.
Fitment notes
- Specs, lead time and warranty come from COMP Cams and can change. The details above this guide are the latest we have.
Not sure it fits? Message us your vehicle details and we'll double-check fitment before you buy.
Ask about fitmentWhat else to plan for
- Lifters. New lifters on a new cam, especially flat tappet.
- Valve springs. Match springs to the cam lift.
- Timing set. A fresh timing set keeps cam timing accurate.
More for your car: Camshafts · All Camshafts · Engine
Questions about camshaft
Will this fit my car?
Check the title and details above for the vehicles and part number it is listed for. If you are not sure, contact us with your year, make, model, engine and trim and we will confirm fitment before you order.
Do I need new valve springs with a new cam?
If the cam has more lift than stock, matching springs are usually needed. Check the cam card from the brand.
Where do specs and warranty details come from?
From COMP Cams. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.
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