Searching for the right parts to build your EJ257 block? Look no further. Flatirons Tuning has now assembled our most popular forged internal setups into ready-to-build kits. These do not come assembled. We can arrange to have the kit assembled before shipment for additional charge, however, this kit is designed for the customer who is planning to have the block assembled themselves. This rotating assembly includes everything you will need to build your existing EJ257 block or a pair of our blank case halves. Save money and time by buying all the parts together from one place! The kit includes: - OEM Nitride-Treated EJ257 Crankshaft - ACL STD Race Bearings - Eagle Rods - Your choice of either CP or Wiseco pistons, with Rings If you are having your block machined and need an oversize piston, or if you want Cosworth bearings in a size other than the standard Size 1, just send us an email to j.cooley@flatironsimports.com after placing your order to discuss your options. If you are interested in a fully assembled short-block, click here. The Flatirons Tuning Short-Block built by SCR is now available! Please note the new lay-out below. The basic Rotating assembly will be as listed above. If you want to up-grade any items, just add them to your cart after you have selected the base rotating assembly. Base Rotating Assembly with CP or Wiseco Pistons and ACL Bearings
Flatirons Tuning Rotating Assembly with CP Pistons and Rings
Base Rotating Assembly with CP or Wiseco Pistons, ACL Bearings, and EJ257 Case Halves
Includes new EJ257 Case Halves
Add Cosworth Bearings to your Base Kit
Add Manley H Rods to your Base Kit
Add Manley H-Plus Rods to your Base Kit
Add Manley Turbo Tuff Rods to your Base Kit
Add Cosworth Rods to your Base Kit
Add Cosworth Pistons to your Base Kit
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