Eagle 16525 SB Ford 351W Street Strip Rotating Assembly, -6.5cc Keith Black Flat Top Pistons

Street Strip rotating assembly's are designed for applications producing under 500 horsepower
Eagle Cast steel crankshaft, 4.000 stroke, 1 or 2 piece rear main seal
Eagle forged 5140 steel "SIR" I-Beam rods, 6.200 length, 3/8" ARP 8740 rod bolts
Keith Black hypereutectic pistons with performance ring set
Performance rod and main bearings
Rotating assembly kit is unbalanced, 28 oz external balancing required before installation (Part number B16525 for balanced kit)
Compression Ratio with 58cc 11.9:1
Compression Ratio with 64cc 11.1:1
Compression Ratio with 72cc 10.2:1
Deck height 9.480"
Note *351 Windsor stock bore size is 4.000*
Two different deck heights exist for production Ford 351W engines. 1969-1970 blocks will have a 9.480" deck height. From 1971 and up the deck height is 9.500"
Balanced assembly option will include a new harmonic balancer and flexplate / flywheel of your choice.
*Note: Flexplate is for automatic transmission, Flywheel is for manual transmission*
Balanced Rotating assembly Kit B16525EA is external balanced, includes new harmonic balancer and 157 Tooth Flexplate (Automatic Transmission)
Balanced Rotating assembly Kit B16525LA is external balanced, includes new harmonic balancer and 164 Tooth Flexplate (Automatic Transmission)
Balanced Rotating assembly Kit B16525LS is external balanced, includes new harmonic balancer and 157 Tooth Flywheel (Manual Transmission)
Balanced Rotating assembly Kit B16525ES is external balanced, includes new harmonic balancer and 164 Tooth Flywheel (Manual Transmission)