OMC Stringer Harmonic Balancer Damper Pulley GM 140hp 3.0L 4cyl 1973-1985 Power Steering Hoses but you'll need some sort

but you'll need some sort of 1/4" bolts or screws

Item Details These were removed from a 1985 OMC Stringer 5

Gauge Part Number 278-000-502 / 278000502

Let me know if you need a better measurement

Just check the part number on the pulley you are replacing to ensure this is the proper one as the similar looking MerCruiser one had different dimensions as it was thicker so the spacing would be off

OMC Stringer Harmonic Balancer Damper Pulley GM 140hp 3.0L 4cyl 1973-1985 Power Steering Hoses but you'll need some sortItem Details This is a Brand New Aftermarket pulley in the correct color. Used from 1973 1985 on all OMC Stringer Volvo Penta GM 3. 0L 140hp 4cyl 181cid and also found on some 2. 5L 120hp or some 4. 1L 165hp 6cyl power plants. (and possibly others) OMC Volvo Penta 3852662 3826280 3826280 912987 0912987 If you are unsure on compatibility or if this will work for you, please don't hesitate to contact us. Purchase with confidence! Please contact us if