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Ships within 48 hours · Estimated delivery Jul 30 - Aug 4
without exhaust tube
All Big Duke series heads require special pistons
• Rocker Arms: SHAFT SYSTEM WITH 58/107 SPACING
625" exhaust (5/16" stem) as cast
Dart SHP SBC 4 bolt 350 main 9.025 deck 4.125 bore .842 lifter block #31161211 without exhaust tubeCALL SHANON AT 507 445 3235 FOR ANY QUESTIONS. NEW DART SMALL BLOCK CHEVY SPECIAL HIGH PERFORMANCE BLOCK. SIAMESE CYLINDER BORES PRIORITY MAIN OILING SYSTEM TWO PIECE REAL MAIN SEAL SPLAYED CENTER FOUR BOLT MAIN CAPS STROKER CRANK CLEARANCE FOR 3. 750 STROKE *END CAPS ARE TWO BOLT. 350 MAIN BEARING DIAMETER CAN USE ANY SMALL BLOCK CHEVY CAM (FLAT TAPPER OR SOLID)INCLUDING FACTORY HYDRAULIC CAMWITH OEM STYLE HYDRAULIC ROLLER LIFTERS DECK HEIGHT IS 9.