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• Professional Products PowerForce damper
• 6-3/4" diameter & approx. 1-1/8" thick
• For internally balanced Small Block Chevys, fits 283/327/350
• Dampers are dimensionally identical to stock GM 6-3/4" damper
• 60° of easy to read timing marks & engraved marks every 90°
• Weighs approx. 8-1/2 lbs

• PowerForce small, lightweight damper
• 6.1" diameter, 3/4" thickness
• Fits 283/327/350 Small Block Chevy - Internal Balance
• Lightweight, weighs only 5.08 lbs
• Made of 1045 steel
• Inertia ring weight is what performs actual damping of rotating assembly; lightweight dampers will not achieve degree of damping heavier dampers do
• Includes 60° of timing marks with engraved marks every 90°

• Professional Products PowerForce Plus SFI damper
• 6-3/4" diameter & approx. 1-1/8" thick
• For internally balanced Small Block Chevys, fits 283/327/350
• Dampers are dimensionally identical to stock GM 6-3/4" damper
• 60° of easy to read timing marks & engraved marks every 90°
• Weighs approx. 9.3 lbs

• PowerForce+ SFI small, lightweight harmonic damper
• 6.1" diameter, 3/4" thickness
• Fits 283/327/350 Small Block Chevys - internal balance
• Lightweight, weighs only 5.7 lbs
• Made of 1045 steel
• Inertia ring weight is what performs actual damping of rotating assembly; lightweight dampers will not achieve degree of damping heavier dampers do
• Includes 60° of timing marks with engraved marks every 90°