Material: Superior Iron Alloy
Bore: 4.250'
Bore & Stroke: 4.625' x 4.750' max recommended
Cam Bearing Bore ID: 2.1195' - 2.1205'
Cam Bearings: Special coated, grooved, with 3 oil holes
Cam Bearing OS: +.010', +.020', +.030'
Cam Bearing Press: .002'
Camshaft Postion: Standard
Cam Drive: Standard Timing chain, gear drive or belt drive
Cam Plug: Standard BBC 2-7/32' (2.218' dia)
Cubic Inch: 632' max recommended
Cylinder Wall Thickness: .300' min @ 4.625' bore
Deck Height: 9.800'
Deck Thickness: Adequate for all applications
Fuel Pump: Mechanical pump provision
Fuel Pump Pushrod: Standard BBC
Freeze Plugs: Press in cup plugs
Head Gasket: Fel-Pro 375-1037, 1047, or 1067
Inner Head Stud: 2 slotted bosses per side
Lifter Bores: BBC .8427' - .8437'
Lifter Galley: Raised .350' for longer lifter bore
Lifter Type: Roller - Gen VI (+.300' longer), Solid - Mark IV
Main Bearing Size: Standard BBC
Main Bearing Bore: 2.937' - 2.937'
Main Caps: 4-bolt steel billet
Main Cap Register: Deep stepped register on each side (No need for dowels)
Main Cap Press: .005'
Main Cap Bolts: All 1/2', #2, #3, #4 have splayed outer bolts
Oil System: Wet or Dry Sump - Main Priority Oiling
Oil Galley, Main: Stepped, 9/16' - 1/2' - 7/16'
Oil Galley, Filter-Main: 5/8'
Oil Filter: Stock Oil Filter Location
Oil Pan: Standard pan bolt pattern, extra bolt holes provided for strokers
Rear Main Seal: Standard 2-piece seal, Fel-Pro 375-2918
Rear Main Thrust Width: 1.622' - 1.624'
Serial Number: On main caps
Starter: Mounts in standard location
Stud Hole, Head: Blind holes
Timing Chain/Gears: Standard
Timing Cover: Stock Cover
Torque Specs: All 1/2' bolts - 105 lbs
Weight: 4.250' bore - 260 lbs