Dart BBC Race Blocks
Dart engineered the Big M to be the strongest, most reliable, and easiest to build big block on the market. The Dart Big M2 is Redesigned from the ground up as a true racing engine block which can be used with standard off the shelf big block components. The Big M2 is cast from premium high strength Iron and beefed up in all the critical areas. A competition oiling system ensures adequate lubrication to the main bearings at high RPM.
Standard 9.800”, 10.200” and 10.400″ deck heights; Standard 4.250”, 4.500”, 4.560”, or 4.600” bore sizes with siamesed extra thick cylinder walls to resist cracking and improve ring seal (minimum .300” thick with 4.625” bore); Available in .400” raised cam; Uses +.300” tall GEN VI style lifters. Modification for MIV style available; 4-bolt main bearing caps in steel or ductile iron have splayed outer bolts for extra strength; Lifter valley head stud bosses help prevent blown head gaskets; Easy to install AN fitting oil gallery plugs
Dart Sportsman Big M and Big M2 Pro Series Race Blocks
Big M Sportsman DRT-31223644 Ductile Std. Cap, .842 Lifter, Std Cam, 9.800″ Deck 4.600 Bore
$3999.00
Big M2 PRO DRT-31223645 Ductile Std. Cap, .842 Lifter, .400″ Raised Cam, 9.800″ Deck 4.600 Bore
$4299.00
Dart Big M Sportsman Blocks do not include freeze plugs, coated cam bearings, and dowel Kit #32000002
$ 175.00
Dart Big M Steel Std. Cap, .842 Lifter, Std Cam, 9.800-10.200 Deck, 4.250-4.600 Bore w/32000002 Block Kit Included
$
64210240 Dart BBC Inside head Stud Kit (4 studs, nuts, washers, and shoes)
$ 84.95
CNC RACE READY BLOCKS; CNC Bored on Blue-Print Centers, Plate Honed, Decked, Clearance, Coated Cam Bearings and Freeze Plugs
$1495.00
55 mm Cam Tunnels with Conventional Babbit Bearings Installed
$ 895.00
Machined for .904″ Lifter Bores
$ 350.00
Oring Block with Stainless Steel Wire
$ 250.00
Radial Clearance any 9.8 Block for 4½ Stroke or and 10.200 Block for 4¾ Stroke
$ 250.00
Dart .920″ Thread in Block Head Stud Kit Used for Honing and Supplied for Your Heads (from)
$ 350.00