Brand New ProComp Cast Iron Chevrolet Small Block Engine Block, 4.000" Bore, Ready-to-Assemble (Part #13100). Block is finish honed and ready to assemble at its supplied 4.000" bore. Accepts crankshafts with up to a 3.750" stroke without additional clearance. A 3.875" stroke requires a small amount of grinding. Oversize piston combinations require additional boring and honing. Fits: Pre-1986 Chevrolet Small Block 350 V8 Engines with 2-Piece Rear Main Seal Boring Examples: Standard 4.000" bore: 350 CID with a 3.480" stroke crankshaft 358 CID with a 3.562" stroke crankshaft 377 CID with a 3.750" stroke crankshaft 390 CID with a 3.875" stroke crankshaft 402 CID with a 4.000" stroke crankshaft .020" over - 4.020" bore: 353 CID with a 3.480" stroke crankshaft 362 CID with a 3.562" stroke crankshaft 381 CID with a 3.750" stroke crankshaft 393 CID with a 3.875" stroke crankshaft 406 CID with a 4.000" stroke crankshaft .030" over - 4.030" bore: 355 CID with a 3.480" stroke crankshaft 363 CID with a 3.562" stroke crankshaft 383 CID with a 3.750" stroke crankshaft 395 CID with a 3.875" stroke crankshaft 408 CID with a 4.000" stroke crankshaft .040" over - 4.040" bore: 357 CID with a 3.480" stroke crankshaft 365 CID with a 3.562" stroke crankshaft 385 CID with a 3.750" stroke crankshaft 397 CID with a 3.875" stroke crankshaft 410 CID with a 4.000" stroke crankshaft .060" over - 4.060" bore: 360 CID with a 3.480" stroke crankshaft 369 CID with a 3.562" stroke crankshaft 388 CID with a 3.750" stroke crankshaft 401 CID with a 3.875" stroke crankshaft 414 CID with a 4.000" stroke crankshaft Note: These figures are displacement calculations only; fitment and required modifications will need to be verified. Specs: Part Number: 13100 Cylinder Bore: 4.000" Weight: Approximately 198 lbs. Cam Bearing Bore: 2.00" ID Suggested Cam Bearings: Durabond DT-1-1T Cam Bearing Press: .002" Cam Journal: 1.869" O.D. Cam Plug: 2.375" diameter cup plug Cylinder Wall Thickness: .250"+ at 4.185" bore Deck Height: 9.025" Deck Thickness: .625"+ Fuel Pump: Mechanical pump boss included Fuel Pump Pushrod Length: Standard Freeze Plugs: Press-in cup style Lifter Bores: .842"–.843" Main Bearing Bore: 2.641" Main Bearing Size: 2.450" - Chevrolet 350 Main Cap Press: .004"–.006" Main Caps: Steel 4-bolt (5) Main Cap Bolts: Splayed 8740 Main Cap Register: Stepped, no dowels Oil System: Wet sump with priority main oiling Oil Pump Shaft: .481" O.D. - standard SBC 350 Oil Pan: Standard SBC Rear Main Seal: Standard 2-piece SBC Starter: Standard SBC Stud Holes: Blind head stud holes Timing Chain/Gears: Standard SBC Timing Cover: Standard SBC Torque Specs: 7/16" bolts - 65 ft.-lbs.; 3/8" bolts - 35 ft.-lbs.
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