| This auction is for 1 of the following New Dart Big M blocks with Billet mains in a 4.5 bore and 9.8 deck. Dart makes 6 different Big M's in a 4.250 bore or a 4.500 bore or a 4.600 bore block in a 9.800 deck or a 10.200 tall deck. Also shipping and handling is free inside the US but not to Alaska or Hawaii. It can be sent to your business or to a trucking terminal near your home all totally free of charge. I can accept Paypal, check or credit card over the phone. Also please check stock before buying because we can run out sometime faster then we can end auction. Also we can ship world wide if buyer likes but please ask before buying to find out extra shipping charges. Thanks (Also please email me if you find a better price on Ebay and I will try to beat it) These Dart blocks are hands down the best after market blocks on the market and as always everything I sell I use so feel free to contact me for some inside info on all Dart products and other items I sell. Call 1-800-675-3426 ask for Jerrame or by email jerangsad@aol.com. Specs below: Material:Superior iron alloy Bore: 4.250 & 4.500 Bore & stroke:4.625 x 4.750 max. recommended Cam bearing bore ID:2.1195 2.1205 Cam bearings:Special coated, grooved, w/ 3 oil holes Cam Bearing O.S. +.010 , +.020 , +.030 Cam bearing press: .002 Camshaft position: Standard Cam Drive:Std 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 & 10.200 Deck Thickness: Adequate for all applications Fuel Pump:Mechanical pump provision Fuel Pump Pushrod:Std BBC Freeze Plugs: Press in cup plugs Head Gasket: Fel-Pro# 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 2.938 Main caps: 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: Std 2 pc seal / Fel-Pro# 2918 Rear Main thrust width: 1.622 - 1.624 Serial Number:On main caps Starter:Mounts in standard location Stud holes, Head: Blind holes Timing chain/gears: Standard Timing Cover: Stock cover Torque Specs: All 1/2 bolts - 105 lbs Weight:4.250 bore - 280 lb / 4.500 bore - 260 lb / 4.600 bore - 250 lb |