• High-strength aluminum block, 356-T6 grade aluminum
• Splayed 4-bolt, steel billet main caps on 2, 3 and 4
• 2-bolt main caps on 1 and 5
• 4.110"-4.115" bore as delivered, cast iron sleeves – finish at 4.125"
• 9.5" deck height, accepts small block timing chain, timing chain cover and oil pump
• 2.75" crankshaft (351C) main journal diameter. 2.9415"-2.9425" diameter finished main bearing bore
• Lifter bores finished .8753"-.8768"
• 2.2032"-2.2052" diameter cam bearing bores. Uses M-6261-J351 or M-6261-R351 cam bearings
• Maximum stroke 4.250"
• Wet sump oiling system
• Weight 118 lbs

Product Reviews for FMM-6261-J351 - FORDPERF