Dart Small Block Chevy 427

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Dart blocks are loaded with features you won’t find in any factory casting. IMPORTANT FEATURES OF DART BLOCKS Working with top racers and engine builders, we’ve designed blocks to solve the problems of production-type blocks used in high performance and competition applications. Premium alloys, extra thick decks, siamese bores, enlarged water jackets, priority main oiling, 4-bolt main caps, finished main bearing bores and cam tunnels, honed lifter bores and coated cam bearings make it easier to build superior racing and performance engines. Blocks are machined in-house on precision CNC equipment to ensure quality and to eliminate the need for expensive blueprinting. Every machining operation on every Dart block is documented

• Internally Balanced
• Special High Performance Dart Block (SHP) 4.125” Bore x 4.000” Stroke
• Plate Honed Cylinders
• Forged 4340 Steel Crankshaft
• Forged 4340 H-Beam Rods - 7/16“ ARP 2000 Bolts
• Forged Flat Top Pistons w/ Full Floating Pin MAHLE Rings
• Clevite Bearings
• Coated Cam Bearings
• Options Available: 20cc Dished Pistons. Reduce CR by 1.2.
• CR 11.4:1 w/64cc chamber & .041” gasket.
• CR 10.5:1 w/72cc chamber & .041” gasket.
• *Must use small base circle camshaft