Side comparison of wet and dry joint riser/elbow
Height difference between oldr and newer dry joint riser/elbow
Water passage comparison between wet and dry joint riser/elbow
front view comparison between wet and dry joint riser/elbow
Water passage comparison between wet and dry joint manifold
external water passage on dry joint
Lost Foam casting process
High quality manifold
Inexpensive Conversion Kit
for "Dry Joint" Manifolds and Risers
fits 2002-2003-2004 Mercruiser Chevy GM V8
305 5.0L 350 5.7L engines
replaces OEM numbers:
Mercruiser 865735A02 Dry Joint Manifolds
Mercruiser 864309T02 Dry Joint Risers (elbows)
Sterndrives, Alpha Gen II Inboards, MIE  
Dry-Joint Manifold/Riser Replacement Conversion Kit
506-1-661                                $495.95
Dry-Joint Manifold (included in the conversion kit)
500-1-230                                $149.95
Dry-Joint Riser/Elbow (included in the conversion kit)
530-1-140                                $104.95
Dry-Joint Manifold to Head Gasket (included in kit)
510-9-002                                   $7.50                             
Dry-Joint Manifold to Riser Gasket (included in kit)
540-9-002                                   $7.50
Dry-Joint Manifold to Riser Gasket (open)
540-9-003                                   $7.50
2002-2004 V8 dry joint conversion kit
dimensions of the riser/elbow
water inlet fitting on the riser/elbow