Comp Cams Nitrided Camshaft, CB XM 278H-12 DMOS | Dealer Program Brougham 1975 - 1978 Mercury

Brougham 1975 - 1978 Mercury Grand Marquis Base 1971 - 1978 Mercury Marquis Brougham

Constructed of 6061 CNC Machined aluminum sleeves and SAE 9254 Cold Wound Steel coil springs

Sierra SLX 1992 - 1998 GMC C2500 Suburban SLE

Front wind fairing matches the contour of the roof and windshield for a superior fit and finish and improved aerodynamics

Comp Cams Nitrided Camshaft, CB XM 278H-12 DMOS | Dealer Program Brougham 1975 - 1978 MercuryCOMP Cams Xtreme Marine camshafts take advantage of the newest developments in camshaft engineering. Their aggressive lobe design produces better throttle response and top end horsepower than other cams with the same duration at . 050 in., while delivering increased engine vacuum. These cams are available for everything from pleasure boats to race applications, so you can always enjoy Xtreme performance on the water. From hydraulic and mechanical, to