MC-1-89011 Mercruiser Big Block Exhaust Manifold ronstan captive ball car - series 22 - reef to suit luff groove track where deformation of ball bearings

where deformation of ball bearings alone would result in increased friction

anodised and laser engraved with the logo underneath so it is hidden once installed

and water-resistant

(suits 1 x 5mm (3/16") screw)

- Mushroom shaped stems for a strong hold

MC-1-89011 Mercruiser Big Block Exhaust Manifold ronstan captive ball car - series 22 - reef to suit luff groove track where deformation of ball bearingsBARR MC 1 89011 Mercruiser V8 Big Block Wet Joint Exhaust Manifold Direct replacement center riser water cooled exhaust manifold Suitable for Mercuiser big block V8 330, 340 & 454 Magnum Replaces Mercruiser part 89011A8 & aftermarket 18 1957 2 BARR manifolds include plugs, gaskets and mounting hardware to mount riser