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Crane Cams 13744-16

Energizer Rocker Arms 1965-90 Chevrolet 396-402-427-454-502 V8

Crane Cams 13744-16


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Crane Cams 13744-16 Energizer Rocker Arms 1965-90 Chevrolet 396-402-427-454-502 V8 $222.61
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Estimated ship date 01/31/18 if Ordered Today
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Need it Sooner? This similar item ships today!
Proform Aluminum Roller Rockers for Big Block Chevy with 1.7 Ratio & 7/16" Stud
Proform 778-66913
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Energizer Rocker Arms
  • 1965-90 Chevrolet 396-402-427-454-502 V8
  • 1991-00 Chevrolet 454-502 Gen V and VI
  • Ratio 1.7
  • Stud Diameter 7/16"
  • Quantity: 16

  • Crane Cams 13744-16 Details


    Stock ratio and standard stud diameter. The 1991 and later Gen V and VI engines require the installation of 99152-16 7/16" rocker arm studs (no machining required) and factory pushrod guideplates. For applications with over 480 pounds open valve spring pressure, the cylinder heads must be machined for the installation of 99157-16 7/16" rocker arm studs and 13650-1 pushrod guideplates.


    Manufacturer's Part Number:

    Crane Cams Energizer Roller Rocker Arms feature a die formed aluminum body with needle bearing fulcrum and roller tip. The needle bearing fulcrum and roller tip reduces friction, lowers engine oil temperature, improves response, increases HP and RPM. Aerospace vacuum die-formed aluminum main body offers extreme strength and light weight. Great for street and moderate race use.

    Die-formed aluminum body is larger than stock, may require modifications to stock valve covers for clearance.

  • Die-Formed Cast Aluminum
  • CNC Machined
  • Heavy-Duty Precision Ground Steel Needle Bearings
  • Heat-Treated Roller Tips
  • For Use With Valve Springs Up To 450 lbs Open Pressure

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