New deck height options are also available. In addition to the standard 9.800" and 10.200" decks, options for 9.850" and 10.250" allow more flexibility in designing component stack ups to optimize piston pin and ring pack placement. A new 9.500" deck height option is ideal for sub 500CI displacement restricted classes like NE Modifieds and Truck Pulling, allowing for lighter rotating mass configurations which improve acceleration.All deck heights are nominally .600" thick, feature blind head bolt holes and use standard length bolts or studs. The inside head stud provisions have also been revised to add strength by extending the bosses below the deck thickness in the casting.The new block features siamese cylinder bores in 4.245", 4.495" or 4.595" which finish at 4.250", 4.500" and 4.600" respectively. Nodular iron or billet steel 4-bolt main caps are standard and are stepped and dowelled register and utilize ARP fasteners.
World Products blocks and heads are 100% American made and are subject to stringent quality assurance procedures to ensure superior quality and performance.
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7301 Global Dr.
Louisville, KY 40258