Chevy 355 Rotating Assembly. Forged Crank / Forged Pistons / I Beam Rods

These Scat engine rotating assemblies are available with either a high-quality Scat forged 4340 crankshaft or Scat's Series 9000 cast crankshaft and I-beam or H-beam connecting rods, with 7/16 in. or 3/8 in. cap screw bolts. For maximum power and reliability, Scat adds rod and main bearings from King, Federal Mogul or Clevite 77, depending upon the application, and pistons and piston rings made by such well-known manufacturers as SRP/JE, Ross, KB, Mahle, Diamond and Probe. Kits with cast and standard forged pistons have standard rings; kits with premium forged pistons have file-fit rings.

Actual Engine CID: 355
Bore (in): 4.030 in.
Bore (mm): 102.362mm
Engine Stroke (in): 3.480 in.
Pistons Included: Yes
Piston Rings Included: No
Piston and Ring Oversize (in): 0.030 in.
Piston Material: Forged aluminum
Piston Style: Flat top, with two valve reliefs
Piston Head Volume (cc): +5.00cc
Wrist Pin Style: Floating
Crankshaft Included: Yes
Crankshaft Material: Forged 4340 steel
Rear Main Seal Style: 2-piece
Balanced: No
Engine Balance: Internal
Connecting Rods Included: Yes
Connecting Rod Material: Forged 4340 steel
Connecting Rod Beam Style: I-beam
Rod Bearings Included: No
Main Bearings Included: No
Cam Bearings Included: No
Gaskets Included: No
Oil Pump Included: No
Camshaft Included: No
Lifters Included: No
Timing Chain and Gears Included: No
Plastigage Included: No
Assembly Lubricant Included: No
Quantity: Sold as a kit.
Notes: Kit features standard style forged pistons.