MC-20-864309 Mercruiser 6 1/2" Riser ronstan orbit blocks - series 125 - single block Kit includes 2 x 16mm

Kit includes 2 x 16mm barbed tails with 1⁄2" BSP internal thread

this lifebuoy is available with striking red or blue bands

Traffic tolerant

- Ensures optimal fuel tank venting and water intrusion resistance

MC-20-864309 Mercruiser 6 1/2" Riser ronstan orbit blocks - series 125 - single block Kit includes 2 x 16mmBARR MC 20 864309 Mercruiser V6 4. 3L 6 1 2" Dry Joint Elbow Direct replacement elbow riser used in 7 dry joint applications 6 1 2" Height for Mercruiser V6 4. 3L applications Replaces 864309T01 See MC 20 864591 for 8" height with 14 angle riser BARR risers include plugs, gaskets and mouting hardware to mount to manifold