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COMP Cams 12-248-4

COMP Cams Comp Cams Xtreme Marine Hydraulic Flat Tappet Camshafts

249-12-248-4

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$146.99
COMP Cams Comp Cams Xtreme Marine Hydraulic Flat Tappet Camshafts $146.99
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Xtreme Marine Hydraulic Flat Tappet Camshaft
Chevy Small Block 262-400ci 1955-98
Lift: .516"/.522"
Duration: 290°/306°
Lobe Separation Angle: 112°
RPM Range: 2500-6500

COMP Cams 12-248-4 Details

Chevy Small Block 262-400ci 1955-98

Jet boat with A impeller, 9.5 compression, needs headers. Good for Bracket Racing and high performance.

Specifications:

Intake Valve Lift (in.)
0.516
Exhaust Valve Lift (in.)
0.522
Int. Duration @ .050 in. (Deg)
246
RPM Range
2500-6500
Exh. Duration @ .050 in. (Deg)
256
Int. Duration Advertised (Deg)
290
Exh. Duration Advertised (Deg)
306
Engine Make/Size
Chevy Small Block (262-400)
Lifter Type
Hydraulic Flat Tappet
Usage
Marine
Lobe Separation (Deg)
112
Advertised Duration
290 int./306 exh.
Advertised Exhaust Duration
306
Advertised Intake Duration
290
Basic Operating RPM Range
2,500-6,500
Cam Style
Hydraulic flat tappet
Computer-Controlled Compatible
No
Duration at 050 inch Lift
246 int./256 exh.
Exhaust Duration at 050 inch Lift
256
Exhaust Valve Lift with Factory Rocker Arm Ratio (
0.522
Grind Number
XM290H
Intake Duration at 050 inch Lift
246
Intake Valve Lift with Factory Rocker Arm Ratio (i
0.516
Quantity
Sold individually
Valve Lift with Factory Rocker Arm Ratio
0.516 int./0.522 exh.
Valve Springs Required
Yes
Manufacturer's Part Number:
12-248-4

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.

Features:
  • Extremely wide powerband helps get boat on plane while making maximum horsepower
  • Work against exhaust systems with restrictive back pressure
  • Power enhancement helps maintain top end speed for long distances
  • Intended for applications where low idle speeds are required

    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.

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