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D.S.S. Main Support Systems beef up your block for more power! These D.S.S. Support Systems feature plates machined from 3/4 in. 6061 T6 billet aluminum that creates an additional main web structure to strengthen your block's main webbing. The forces of higher rpm and power-adders can overwhelm main bearing caps and fasteners, causing the caps to walk, fastener threads to fatigue, and your main web to crack! D.S.S. Main Support Systems dampen the harmonics that caused the main caps to move in the first place and effectively tie all five main caps together for enough brawn to produce big power--650+ hp capabilities with a stock block! Splayed 4-bolt main racing blocks are great, but so are the price tags. Race with an American-made, cost-effective solution that strengthens your block and improves your crankshaft life--D.S.S. Main Support Systems.
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$429.95
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