Dart Big M2 Block 31213595 BBC 4.560 Bore, 10.400 Deck, +.400 Raised Cam

BB Chevy, Dart Block, Dart Big M2 Block, 10.400 Deck Height, 4.560 Bore, Billet Steel Main Caps, Engine Block, Cast Iron, 2pc Rear Seal, +.400 Raised Cam

$4,334.99

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FREIGHT CHARGE

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⚠ PROP 65 WARNING

⚠ WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer. Please contact us to obtain a list of harmful chemicals. For more information, go to www.P65Warnings.ca.gov.

Description

Dart engineered the Big M2 to be the strongest, most reliable, and easiest to build big block on the market.

10.400” deck height

4.560” bore, Max bore is 4.625 size, siamesed extra thick cylinder walls to resist cracking and improve ring seal(minimum .300” thick with 4.625” bore).

Uses +.300” tall Gen VI style lifters

4-bolt billet main bearing caps have splayed outer bolts for extra strength

True priority main oil system lubricates the main bearings before the lifters. Our stepped main oil gallery (9/16“ to 1/2“ to 7/16“) increases the flow of oil to the crank at high RPM, and our front oil crossover eliminates internal oil leaks around the distributor shaft.

Lifter valley head stud bosses prevent blown head gaskets

Oil gallery holes machined for o-ring plugs

Raised Cam +.400"

Dual oil pan bolt patterns fit standard and notched oil pans.

Big M2: Parts kit included (PN 32000037 )

220 BHN Cast iron material

Specifications

More Information
CNC Part Number	DRT-31213595
Price	$4,334.99
Manufacturer's Part Number	31213595
Brands	Dart
Part Types	Engine Block
Departments	Parts
Vehicle Make	BB Chevy
Bore Size	4.560
Deck Height	10.400
Block Series	Big M2
Engine Block Material	Cast Iron
Main Caps	Steel
Main Size	Std/BBC
Cam Location	Raised .400
Lifter Bore Size	.842
Cam Tunnel Size	Standard Size

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