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COMP Cams Camshaft 426555

Authorized Dealer
Brand: COMP Cams COMP Cams
0 reviews
  • Have a product question? Ask us
  • Part Number: 42-655-5
  • Part Location: U.S.
  • Availability: *Special Order
  • Delivery: Up to 2 Weeks
  • If purchased before 12:00 EDT - estimated delivery by April 30
Retail: $440.99
Price: $419.99
You Save: $21.00
Advertised Exhaust Duration (DEG)
294 Degree
Advertised Intake Duration (DEG)
285 Degree
Computer-Controlled Compatible
No
Engine Compatibility
Oldsmobile V8 260-455 Cubic Inch
Exhaust Duration At 0.050 Inch Lift (DEG)
256 Degree
Exhaust Valve Lift (IN)
0.545 Inch
Grind Number
285B-8
Intake Centerline Angle (DEG)
108 Degree
Intake Duration At 0.050 Inch Lift (DEG)
250 Degree
Intake Valve Lift (IN)
0.568 Inch
Lobe Separation Angle (DEG)
108 Degree
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COMP Cams Camshaft

Camshaft; Drag Race; Oldsmobile V8 4.3L-7.5L/260-455 Cubic Inch; Mechanical Flat Tappet; 3500-6500 RPM Range; 250 Degree Intake Duration @ 0.050 Inch Lift; 256 Degree Exhaust Duration @ 0.050 Inch Lift; 0.568 Inch Intake Valve Lift; 0.545 Inch Exhaust Valve Lift; 108 Degree Lobe Separation

MPN: 426555

The original race Engine lifter, solid (also referred to as mechanical) flat tappet Camshafts feature more aggressive street performance or racing profiles and are capable of higher Engine RPM than hydraulic flat tappet Camshafts. As with the hydraulic flat tappet camshaft, the flat appearing lifter bottom follows the contours of the Camshaft to operate the Valve train components at the appropriate time, rotating within the lifter bore in a similar fashion to the hydraulic flat tappet lifter. The solid lifter does not have the internal cavity and piston found with the hydraulic lifter and does not expand or contract with Engine temperature. Because of this feature, the solid lifter requires an initial cold Valve lash setting and then adjustment after the Engine has reached operating temperature (hot lash setting) to deliver the Engines top performance potential. Solid flat tappet lifters also feature a signature performance “ticking” sound, particularly when cold, that many performance fans like.
Engine Compatibility: Oldsmobile V8 260-455 Cubic Inch
Recommended Use: Moderate Street Performance To Serious Race
Type: Mechanical Flat Tappet
RPM - Low: 3500
RPM - High: 6500
Intake Duration At 0.050 Inch Lift (DEG): 250 Degree
Exhaust Duration At 0.050 Inch Lift (DEG): 256 Degree
Advertised Intake Duration (DEG): 285 Degree
Advertised Exhaust Duration (DEG): 294 Degree
Intake Valve Lift (IN): 0.568 Inch
Exhaust Valve Lift (IN): 0.545 Inch
Lobe Separation Angle (DEG): 108 Degree
Intake Centerline Angle (DEG): 108 Degree
Grind Number: 285B-8
Computer-Controlled Compatible: No

Features

  • Increased Engine RPM
  • Increased Profile Aggressiveness
  • Limited 1 Year Warranty
Specifications of COMP Cams Camshaft 426555
Advertised Exhaust Duration (DEG) 294 Degree
Advertised Intake Duration (DEG) 285 Degree
Computer-Controlled Compatible No
Engine Compatibility Oldsmobile V8 260-455 Cubic Inch
Exhaust Duration At 0.050 Inch Lift (DEG) 256 Degree
Exhaust Valve Lift (IN) 0.545 Inch
Grind Number 285B-8
Intake Centerline Angle (DEG) 108 Degree
Intake Duration At 0.050 Inch Lift (DEG) 250 Degree
Intake Valve Lift (IN) 0.568 Inch
Lobe Separation Angle (DEG) 108 Degree
Recommended Use Moderate Street Performance To Serious Race
RPM - High 6500
RPM - Low 3500
Type Mechanical Flat Tappet

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