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COMP Cams 11-244-4 - Comp Cams 'Xtreme Marine' Hydraulic Flat Tappet Camshafts

COMP Cams 11-244-4 - Comp Cams 'Xtreme Marine' Hydraulic Flat Tappet Camshafts

COMP Cams#249-11-244-4

Xtreme Marine Hydraulic Flat Tappet Camshaft
Chevy Big Block 396-454ci 1965-96
Lift: .570"/.575"
Duration: 288°/304°
Lobe Separation Angle: 112°
RPM Range: 2500-6500

COMP Cams 11-244-4 - Comp Cams 'Xtreme Marine' Hydraulic Flat Tappet Camshafts Details

Chevy Big Block 396-454ci 1965-96

*Note: In order to use these camshafts in 1965-66 396/427ci blocks, it is necessary to machine a 3/16'' wide x 7/64'' deep groove in the rear main journal of the cam to allow oil flow to the top of the engine.

Jet with ''A'' or ''B'' impeller, 9.5:1 compression, needs headers, performance use.

Operating Range:2500-6500 RPM
Duration Advertised:288° Intake / 304° Exhaust
Duration @ .050'' Lift:244° Intake / 254° Exhaust
Valve Lift w/1.7 Rockers:.570'' Intake / .575'' Exhaust
Lobe Separation Angle:112°

COMP Cams 11-244-4 - Comp Cams 'Xtreme Marine' Hydraulic Flat Tappet Camshafts

A Unique Cam for Marine Applications

If you're heading to the great outdoors, Comp Cams offers camshafts designed specifically for marine applications where low idle speeds are necessary and where restrictive exhausts require special cams that work well against wet exhaust system back pressure. These unique camshafts generate an extremely wide powerband, offering the low-end torque needed to jerk skiers up quickly and the high-end power needed for maximum performance. Also, Comp's larger camshafts are engineered for engines with less restrictive exhausts and drives that will tolerate higher idle speeds. An excellent choice for jet boats or power boats.

Camshaft & Lifter Kits are indicated by a CL in their part number and include Camshaft, Lifters, Assembly Lube, Decals, and Instructions.

Complete Kits are indicated by a K in their part number and include Camshaft, Lifters, Timing Chain & Gears, Valve Springs, Retainers, Locks, Assembly Lube, Decals, and Instructions.

Small Kits are indicated by a SK in their part number and include Camshaft, Lifters, Timing Chain Set, Assembly Lube, Decals, and Instructions.

COMP Cams 249-11-244-4

Intake Valve Lift (in.)
0.570
Exhaust Valve Lift (in.)
0.575
Int. Duration @ .050 in. (Deg)
244
Exh. Duration @ .050 in. (Deg)
254
Int. Duration Advertised (Deg)
288
Exh. Duration Advertised (Deg)
304
Engine Make/Size
Chevy Big Block (396-454)
Lifter Type
Hydraulic Flat Tappet
Usage
Marine
RPM Range
2000-9000
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