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Crankshaft Rotating Assy Eagle Street/Strip 488 B/B Cast


Price: $1,929.97
Item Number: 42105030

Stroke: 4.500, Disp. @ .060: 488, Rod Length: 7.100, Pistons: -22cc Dish, Rings: File Fit, Comp. Ratio 77cc/84cc: 10.0/9.5


Actual Engine CID:488

Bore (in):4.155 in.

Engine Stroke (in):4.500 in.

Balanced:No

Pistons Included:Yes

Piston Rings Included:Yes

Piston and Ring Oversize (in):0.030 in.

Piston Material:Forged aluminum

Piston Style:Dish, with a D-shaped cup

Piston Head Volume (cc):+22.00cc

Wrist Pin Style:Floating

Piston Ring Facing Material:Plasmamoly

Crankshaft Included:Yes

Crankshaft Material:Cast steel

Rear Main Seal Style:2-piece

Engine Balance:External

Connecting Rods Included:Yes

Connecting Rod Material:Forged 4340 steel

Connecting Rod Beam Style:H-beam

Rod Bearings Included:Yes

Rod Bearing Undersize (in):Stock

Rod Bearing Undersize (mm):Stock

Main Bearings Included:Yes

Main Bearing Undersize (in):Stock

Main Bearing Undersize (mm):Stock


Notes:

  • All kits are designed for internal balance
  • Flexplate/Flywheel and Balancer Not Included
  • Oldsmobile 455 standard bore size is 4.125", kits are available in .030" and .060" oversizes.
  • Eagle Specialty Products reserves the right to substitute pistons due to availability.