Race Prep Dart Big M Sportsman - $2,780

4.500 Bore - 9.780 / 10.180 - CNC-Motorsports

Contact (800) 341-1528 (605) 692-1697
Race Prep Dart Big M Sportsman  for Sale $2,780
$2,780 Get Financing
Business Seller - CNC Motorsports
Brookings, SD
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Item Details

Ad Number183973924


31273444-PREP 4.500 Bore 9.780 Short Deck
31273454-PREP 4.500 Bore 10.180 Tall Deck

CNC-Motorsports takes great pride in offering a fully race prepped Dart Big M sportsman block blue-printed to race specifications that is ready for you to assemble.

Check and align hone mains if needed, chamfered main parting lines
Bell housing surface squared to crankshaft centerline
Stroker clearance to 4.500 stroke
Parallel square deck the deck surface to your desired deck height
Bottom of the cylinders chamfered
Top of the cylinder bore chamfered
Block de-burred to eliminate sharp edges and casting slag
Freeze plug holes and rear cam hole are chamfered
All bolt holes and oil galley holes chamfered
Oil galley holes tapped
Head and main bolt holes tapped
Chamfered distributor hole and lightly ball honed to eliminate high spots
Hone the block with torque plates to your piston bore size and verified with a profilometer
Top of lifter bores chamfered
Lifter bore checked and honed to your set of lifters you will be using in your build
Install Cam Bearings and Freeze Plugs
Block is cleaned and ready to go.

BORE BLOCK +$75.00
55MM CAM TUNNEL +$500.00
SHORTEN LIFTER BOSS -.300 +$125.00
.875 LIFTER BORE +$250.00
.904 LIFTER BORE +$250.00

Call 605-692-1697 with any questions

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Accepted Payment Methods Paypal, Money Order, Credit Card, Cash

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About The Seller

CNC Motorsports
Member Since April 2003
118 Front St
Brookings, SD 57006
(800) 341-1528
(800) 341-1528
(605) 692-1697
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