BLOCKS
ORDER CATALOG PHONE: 248.362.1188
http://dartheads.com/catalog/
http://dartheads.com/pdf/DartSalesCatalog_June2016.pdf?da5e30
http://dartheads.com/dart-product/big-m-sportsman/
https://www.summitracing.com/parts/drt-31273454/overview/
1 Customer Reviews
What is the foundation for a better big block build? It's Dart's Big M Sportsman Big Block Chevy Cast Iron Bare Blocks of course! Dart engineered the Big M to be the strongest, most reliable, and easiest to build big blocks on the market. Hey, engine building is serious business--thankfully there's Dart!
The Dart Big M Sportsman blocks feature:
* Standard 9.800 in. and tall 10.200 in. deck heights available for Stroker engines
* Standard 4.250 in., 4.500 in. or 4.600 in. bore sizes with Siamesed extra thick cylinder walls to resist cracking and improve ring seal (minimum .300 in. thick with 4.625 in. bore)
* Uses +.300 in. tall Gen VI style lifters. Modifications for Gen IV style are also available
* Scalloped outer water jacket walls improve coolant flow around the cylinder barrels to equalize temperatures
* 4-bolt ductile iron main caps have splayed outer bolts for extra strength
* True priority main oil system lubricates the main bearings before the lifters
* Oil filter pad is drilled and tapped for an external oil pump
* Lifter valley head stud bosses prevent blown head gaskets
* Rear main cap uses standard oil pump and two-piece seal, no adapter required
* Mechanical fuel pump boss, clutch linkage mounts, and side and front motor mounts simplify installation in chassis
* Dual oil pan bolt patterns fit standard and notched oil pans
* Coated cam bearings, freeze plugs and dowels not included
* Small bore 396 version available
Big M Sportsman – Iron
31273344 – Ductile Std. Std. 9.800 4.250
31273354 – Ductile Std. Std. 10.200 4.250
31273444 – Ductile Std. Std. 9.800 4.500
31273454 – Ductile Std. Std. 10.200 4.500
31273544 – Ductile Std. Std. 9.800 4.560
31273554 – Ductile Std. Std. 10.200 4.560
31273644 – Ductile Std. Std. 9.800 4.600
31273654 – Ductile Std. Std. 10.200 4.600
Big M – Iron
31263344 – Steel Std. Std. 9.800 4.250
31263354 – Steel Std. Std. 10.200 4.250
31263444 – Steel Std. Std. 9.800 4.500
31263454 – Steel Std. Std. 10.200 4.500
31263544 – Steel Std. Std. 9.800 4.560
31263554 – Steel Std. Std. 10.200 4.560
31263644 – Steel Std. Std. 9.800 4.600
31263654 – Steel Std. Std. 10.200 4.600
CRANKS
http://dartheads.com/dart-product/bbc-crankshafts/
Big Block Chevy CRANKSHAFT
9-45442506385 – 4.250” Stroke 6.385” 2 Piece
9-45443756535 – 4.375” Stroke 6.535” 2 Piece
9-45445006700 – 4.500” Stroke 6.700” 2 Piece
9-45447506700 – 4.750” Stroke 6.700” 2 Piece
9-45645006700 – 4.500” Stroke 6.700” 1 Piece
9-45647506700 – 4.750” Stroke 6.700” 1 Piece
http://dartheads.com/product-category/big-block-chevy/heads/
BBC HEADS
http://dartheads.com/product-category/big-block-chevy/heads/
http://dartheads.com/product-category/big-block-chevy/heads/page/2/
http://dartheads.com/product-category/big-block-chevy/heads/page/3/
http://dartheads.com/dart-product/pro1-24-355cc-cnc/
INTAKES
http://dartheads.com/product-category/big-block-chevy/manifolds/
41114000 – BBC Manifold Rectangle 9.800 4150
41115000 – BBC Manifold Rectangle 10.200 4150
41124000 – BBC Manifold Rectangle 9.800 4500
41125000 – BBC Manifold Rectangle 10.200 4500
41214000 – BBC Manifold Oval 9.800 4150
41215000 – BBC Manifold Oval 10.200 4150
41224000 – BBC Manifold Oval 9.800 4500
41225000 – BBC Manifold Oval 10.200 4500
ORDER CATALOG PHONE: 248.362.1188
http://dartheads.com/catalog/
http://dartheads.com/pdf/DartSalesCatalog_June2016.pdf?da5e30
http://dartheads.com/dart-product/big-m-sportsman/
https://www.summitracing.com/parts/drt-31273454/overview/
1 Customer Reviews
What is the foundation for a better big block build? It's Dart's Big M Sportsman Big Block Chevy Cast Iron Bare Blocks of course! Dart engineered the Big M to be the strongest, most reliable, and easiest to build big blocks on the market. Hey, engine building is serious business--thankfully there's Dart!
The Dart Big M Sportsman blocks feature:
* Standard 9.800 in. and tall 10.200 in. deck heights available for Stroker engines
* Standard 4.250 in., 4.500 in. or 4.600 in. bore sizes with Siamesed extra thick cylinder walls to resist cracking and improve ring seal (minimum .300 in. thick with 4.625 in. bore)
* Uses +.300 in. tall Gen VI style lifters. Modifications for Gen IV style are also available
* Scalloped outer water jacket walls improve coolant flow around the cylinder barrels to equalize temperatures
* 4-bolt ductile iron main caps have splayed outer bolts for extra strength
* True priority main oil system lubricates the main bearings before the lifters
* Oil filter pad is drilled and tapped for an external oil pump
* Lifter valley head stud bosses prevent blown head gaskets
* Rear main cap uses standard oil pump and two-piece seal, no adapter required
* Mechanical fuel pump boss, clutch linkage mounts, and side and front motor mounts simplify installation in chassis
* Dual oil pan bolt patterns fit standard and notched oil pans
* Coated cam bearings, freeze plugs and dowels not included
* Small bore 396 version available
Big M Sportsman – Iron
31273344 – Ductile Std. Std. 9.800 4.250
31273354 – Ductile Std. Std. 10.200 4.250
31273444 – Ductile Std. Std. 9.800 4.500
31273454 – Ductile Std. Std. 10.200 4.500
31273544 – Ductile Std. Std. 9.800 4.560
31273554 – Ductile Std. Std. 10.200 4.560
31273644 – Ductile Std. Std. 9.800 4.600
31273654 – Ductile Std. Std. 10.200 4.600
Big M – Iron
31263344 – Steel Std. Std. 9.800 4.250
31263354 – Steel Std. Std. 10.200 4.250
31263444 – Steel Std. Std. 9.800 4.500
31263454 – Steel Std. Std. 10.200 4.500
31263544 – Steel Std. Std. 9.800 4.560
31263554 – Steel Std. Std. 10.200 4.560
31263644 – Steel Std. Std. 9.800 4.600
31263654 – Steel Std. Std. 10.200 4.600
CRANKS
http://dartheads.com/dart-product/bbc-crankshafts/
Big Block Chevy CRANKSHAFT
9-45442506385 – 4.250” Stroke 6.385” 2 Piece
9-45443756535 – 4.375” Stroke 6.535” 2 Piece
9-45445006700 – 4.500” Stroke 6.700” 2 Piece
9-45447506700 – 4.750” Stroke 6.700” 2 Piece
9-45645006700 – 4.500” Stroke 6.700” 1 Piece
9-45647506700 – 4.750” Stroke 6.700” 1 Piece
http://dartheads.com/product-category/big-block-chevy/heads/
BBC HEADS
http://dartheads.com/product-category/big-block-chevy/heads/
http://dartheads.com/product-category/big-block-chevy/heads/page/2/
http://dartheads.com/product-category/big-block-chevy/heads/page/3/
http://dartheads.com/dart-product/pro1-24-355cc-cnc/
INTAKES
http://dartheads.com/product-category/big-block-chevy/manifolds/
41114000 – BBC Manifold Rectangle 9.800 4150
41115000 – BBC Manifold Rectangle 10.200 4150
41124000 – BBC Manifold Rectangle 9.800 4500
41125000 – BBC Manifold Rectangle 10.200 4500
41214000 – BBC Manifold Oval 9.800 4150
41215000 – BBC Manifold Oval 10.200 4150
41224000 – BBC Manifold Oval 9.800 4500
41225000 – BBC Manifold Oval 10.200 4500
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