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Dart Big M Sportsman Block - 9.800 deck, 4.250 cylinder bore (DAR-31273344)
Dart Big M Chevy Big Block - 10.200 deck, 4.250 cylinder bore
With multiple deck heights and bore sizes up to 4.600", the Big M block gives you the versatility to build a wide variety of engine combinations. A true priority main oiling system oils the main bearings before the lifters...

$3,031.92 $3,016.08
Dart Big M Chevy Big Block - 9.800 deck, 4.250 cylinder bore
Dart Big M Chevy Big Block - 9.800 deck, 4.250 cylinder bore
With multiple deck heights and bore sizes up to 4.600", the Big M block gives you the versatility to build a wide variety of engine combinations. A true priority main oiling system oils the main bearings before the lifters...

$3,031.92 $3,016.08
Dart Big M Sportsman Block - 10.200 deck, 4.250 cylinder bore (DAR-31273354)
Dart Big M Sportsman Block - 10.200 deck, 4.250 cylinder bore
With multiple deck heights and bore sizes up to 4.600", the Big M Sportsman block gives you the versatility to build a wide variety of engine combinations. A true priority main oiling system oils the main bearings before the...

$2,561.80
Dart Big M Sportsman Block - 9.800 deck, 4.250 cylinder bore (DAR-31273344)
Dart Big M Sportsman Block - 9.800 deck, 4.250 cylinder bore
With multiple deck heights and bore sizes up to 4.600", the Big M Sportsman block gives you the versatility to build a wide variety of engine combinations. A true priority main oiling system oils the main bearings before the...

$2,561.80
Dart Pro 2 CNC Big Block Chevy 380 Cylinder Head - 1.625 dual springs (DAR-19674136)
Dart Pro 2 CNC Big Block Chevy 380 Cylinder Head - 1.625 dual springs
Pro 2 CNC big block Chevy, 380cc intake runners, 124cc combustion chamber, 2.300 intake and 1.880 exhaust valves, 1.625 dual springs. The Pro 2 cylinder heads were designed to make competitive engine building easier and...

$2,587.43 $2,458.06