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D.S.S. Level 10 and Level 20 CNC Race Prepped Blocks are very technologically advanced.  Our Ultra Seal cylinder prep is very detailed and time consuming, however it provides ring seal and power second to none. You could settle for average performance, but why? Level 10 and 20 CNC race prepped blocks give you power you can feel and the winning advantage you desire.


Level 10 CNC blocks: Over 35 blueprinting operations. Dyno proven to produce 40+HP over a standard production block.  CNC stroker clearanced for 331/347 or 408/427 providing you the ultimate block for easy, do-it-yourself stroker engine assembly.
 
Level 20 CNC blocks: All of the quality of our Level 10 plus advanced features like our Elliptical Cylinder Chamfer (on non big bore blocks) and threaded freeze plugs for more than 40+HP over a standard production block.  CNC stroker clearanced for 331/347 or 408/427 providing the ultimate block for easy do-it-yourself stroker engine assembly.
 
 D.S.S. Has designed and built a new engine block fixturing system. This fixture locates the engine block of the main and cam bore centerlines, exclusively (not the oil pan rails like most other CNC block fixtures). It is this advancement that gives us the ability to produce an extremely true engine block, aiding in the production of horsepower and longevity.


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302 Level 10 CNC Race Prepped block
Reg Price: $920.00
Our Price: $735.00
You save $185.00!

LVL 10 302
Level 10 CNC 302 block
Level 20 CNC Race Prepped 302 block
Reg Price: $1,128.05
Our Price: $925.00
You save $203.05!

LVL 20 302
Level 10 CNC Race Prepped 351W block
Reg Price: $990.00
Our Price: $835.00
You save $155.00!

LVL 10 351W
Level 10 CNC 351W Ford block
Level 20 CNC Race Prepped 351W block
Reg Price: $1,250.00
Our Price: $1,025.00
You save $225.00!

LVL 20 351W
BIG BORE BOSS 302 CYLINDER BLOCK
Our Price: $1,699.95

M-6010-B302BB
BOSS 302 CYLINDER BLOCK
Our Price: $1,699.95

M-6010-BOSS302
CAST IRON 5.0L MODULAR BLOCK
Our Price: $1,349.95

M-6010-BOSS50
BOSS 351 CYLINDER BLOCK
Our Price: $1,899.95

M-6010-BOSS35195
BOSS 351 BIG BORE CYLINDER BLOCK
Our Price: $1,899.95

M-6010-BOSS351BB
Ford Racing 5.4L PRODUCTION CAST IRON CYLINDER BLOCK
Reg Price: $1,150.00
Our Price: $1,100.00
You save $50.00!

5.4L PRODUCTION CAST IRON CYLINDER BLOCK