BLOCK,350 CHEVY,4.000 BORE
BLOCK,350 CHEVY,4.000 BORE
SKU:PCE 13100
Yes, we have this item in stock and ready to ship immediately!
Couldn't load pickup availability

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.