Last 505" stroker using 440 block, Source 4.25" lightweight stroker crank, 7.1" H-Beam rods, and the 27cc dish pistons (TF240 heads, mild pump gas build.)
The average piston weight was 591.2 grams, pins 141.1 grams, rods (overall) 814.7 grams, rod small ends 252.0 grams, rod big ends 562.7, Total bob weight came out to 2271.24 grams.