Pay in 4 interest-free payments of $625.00 Learn more
Ships within 48 hours · Estimated delivery Jul 27 - Aug 1
These blocks are a 6-bolt
The customer was able to get his Camaro onto ProSpeed's hub dyno and aired it out
reduce stretching and prevent slippage compared to traditional 6 Rib designs
Click here for installation instructions
we need to work with the best suppliers
Dart Big M Sportsman BBC Iron Block, Assembly-Ready Big M Upgrade:No These blocks are a 6-boltNOTE: DART'S FOUNDRY HAS FILED BANKRUPTCY MAKING FUTURE SUPPLY UNCERTAIN. WE HAVE STANDARD DECK & CAM BLOCKS, 4. 560 AND 4. 600 BORES IN STOCK. THEY ARE NOW ONLY AVAILABLE FOR PURCHASE FROM US EITHER FULLY MACHINED OR AS PART OF A BUILD. WE CAN OPTIONALLY UPGRADE THESE TO BIG M's (STEEL MAIN CAPS). Overview 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