siamesed cylinder walls 1 and four-bolt main caps 2 that are secured by Grade 8 ... . Bowtie blocks are called out by main journal sizes (i.e., 283, 350 or 400) ... 400) if the bore is not standard to the main size. Example: #24502501 350 Main- 283 ... Bore size has standard 350 main journal sizes, however the bore is ... for block 10051183) 0.900" thick main bearing bulkheads, Grade 8 main bolts ... Priority main oiling system Standard 9.025"deck height Cylinder ... use with some roller lifters Timing system clearance must be checked for ... P/N 10051118 to use 2-piece rear main crankshafts in 1-piece rear main ... complete specifications. Two-Bolt 350 Main Blocks Two-bolt main bearing caps are ... of the heavy duty four-bolt steel main caps with splayed outer bolts. A. ...
One-Piece Rear Main Seal Race Block (front) GM PERFORMANCE ... race-prep machining, 4-bolt splayed 4 main caps, and the very highest grade of ... the use of larger bearings Extra thick main bearing bulkhead machined at 5 Premium ... quality main studs SAE 8620 steel main bearing caps Billet wet sump rear main ... for the use 400 journal crankshafts Priority main oiling system 2-piece rear-main ... mechanical roller lifters Timing system clearance should be checked before ... holes are not drilled A. 24502501 350 Main, 283 Bore Cast Iron Bowtie Race Block ... out of the box 4-bolt SAE 8620 steel mains, 20 splayed caps on center 3 mains 2. ... height Oil galleries for dry sump system are oversized and tapped for pipe plugs ... GM Performance Parts! No one. 4Splayed main caps have additional material holding ...