This listing is for a Pioneer OE-Replacement balancer (damper) and bolt compatible with Chevrolet GEN I small block V-8 engines requiring an internally (neutral) balanced 7" OD balancer.

•  Balancer specifications are as follows (all measurements are in inches): 
•  ENGINE BALANCE: Internal 
• SAFETY RATING: Not SFI approved 
• DEGREE MARKINGS: Yes 
• OUTSIDE DIAMETER: 6.73" 
• MATERIAL: Nodular iron 
•  CONSTRUCTION: Elastomer 
• FINISH: Black painted 
• CRANK BORE: 1.24" 
• NOSE DIAMETER: 1.88" 
• WEIGHT: 8.16 lbs. 
• OVERALL WIDTH: 2.34"