Dart J000001 (31140000-1101) Billet Aluminum 2JZ Engine Block Features:

• Siamese cylinder bores with extra thick walls
• Extra thick decks ensure reliable head gasket seal
• Redesigned crankcase structure for increased strength under high HP levels
• Scalloped water jackets increase flow around cylinders for better cooling
• Machined for screw-in style freeze plugs
• Revised oil passage location, for better flow and clearance with 94 mm stroke
• Machined for piston oilers
• Can be machined for clearance for an 88 mm bore
• Can be machined for clearance for a 94 mm stroke with aluminum rods
• Billet steel 10 mm and 12 mm main studs
• Screw-in freeze plugs
• All OE bolt holes for starter, water pump, etc.

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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