Proudly Made in the USA
  • 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 4.125"
  • 9.5-inch; deck height, accepts small block timing chain, timing chain cover and oil pump
  • 2.75-inch crankshaft (351C) main journal diameter. 2.9415-2.9425" diameter finished main bearing bore
  • Lifter bores finished .8753"-.8768"
  • 2.2032-inch - 2.2052-inch diameter cam bearing bores. Uses cam bearings, part number M-6261-J351 or M-6261-R351
  • Maximum stroke 4.250-inch
  • Wet Sump Oiling System
  • Weight 118 lbs.
Part Type
Engine: Engine Blocks
Warranty Availability
Not Available
Packaged Dimensions
18.75" x 22" x 14.5
Packaged Weight
146 lb(s)
Part Type
Engine: Engine Blocks
UPC Code
Country of Origin
United States