7 inch SBC Harmonic Damper / Balancer
SBC Crank Trigger Kit Option PN #10002

SBC 7 Inch Harmonic Balancer

Part# 102
Only $415.00
The #102 damper features the Chevy 6-Bolt Bolt Pattern and works with OEM Pulleys and Hardware. For engines needing a smaller damper for additional clearance, please see the 6.75" #107 damper. For Supercharged engines with the BBC crank snout please view damper #107B (6.75" Diameter) or #109 (7" Diameter).


  • Flying Magnet Crank Trigger Option - Add $100.00
    Get rid of your separate Crank Trigger Wheel by integrating it into the Damper itself! - Saves on average about 9 Ounces over the MSD Crank Trigger Wheel.
  • Crank Trigger Sensor Option - Add $65.00
    3/4-16 UNF Flying Magnet Crank Trigger Sensor - Direct Replacement for MSD #8276. Designed to work with Integrated IW Flying Magnet Balancer Option and Brackets.
  • Crank Trigger Bracket Option - Add $136.00
    SBC Crank Trigger Kit OptionBolt on a matching billet aluminum sensor bracket and mounting hardware with passenger (std) side mounting.
  • Dual Keyway Option - Add $20.00
    Add dual keyways for Supercharged or Extreme Duty Applications. Requires double keyed crankshaft snout.
  • Blower Hub Option - Add $25.00
    The super duty hub has increased material for supercharged applications.This increased material helps to protect the hub from cracking in high load applications. The super duty hub is recommended for supercharged applications making over 750 rwhp. Includes matching timing cover oil seal.


  • Outer Diameter: 7"
  • Weight: 8.0 lbs
  • For Small Cubic Inch Small Block Chevy
  • Exceeds SFI 18.1 standards and is marked on front with SFI Sticker, and on the rear with SFI number stamped into unit.