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Proudly Made in the USA

The Lotus block features an all new grey iron casting that is stronger than the original and accepts the Lotus cylinder head. 

  • Standard 7.800" deck height with extra material for decking
  • Machined and delivered with cylinder bores semi-finished at 3.228 - 3.226" (81.99 - 81.94mm) diameters
  • Block is designed for standard bore engine builds
  • Lifter bore diameter: .5155" - .5145"
  • Block cast from 40,000 PSI grey iron
  • Lower clutch housing bolt bosses reinforced
  • Select areas around main bearing webs strengthened
  • Center main will accept upper and lower crankshaft thrust bearing inserts
  • Includes cam bearings (Installed)
Part Type
Engine: Engine Blocks
Instruction Sheet
Warranty Availability
Not Available
Packaged Dimensions
20" x 15" x 14
Packaged Weight
97 lb(s)
UPC Code
Catalog Page Number
Country of Origin
United States