Dart Aluminum Race Block Honda B Series

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1. Dart Aluminum Race Block Honda B Series

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Dart Aluminum Race Block Honda B Series

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Dart has produced the first aftermarket block for Honda B-series engines. They addressed all the shortcomings of the factory casting and designed the Dart block specifically for racing and performance use. All blocksuse C355-T61 aerospace alloy and incorporated a closed-deck design, dry sleeved cylinders with extra-thick walls and beefed up main webs with steel caps. Best of all, Dart blocks are compatible with production Honda cylinder heads, internal components, and accessories.

Some Specs on these blocks:

Material: 355-T61 Aluminum alloy
Block Style: Fits B16, B18, B20 (VTEC & non VTEC)
Bore: 81.5mm (3.209”) = 81.23mm unfinished
84.5mm (3.327”) = 83.31mm unfinished
Bore & stroke, max: 85mm x 95mm (3.346” x 3.740”)
Cylinder Wall Thickness: 6.35mm (.250”) min
Deck Height: 212mm & 226mm (8.346” & 8.898”)
Deck Thickness: 16mm (.625”) min.
Displacement: 2155 cc max (131 cu in)
Freeze Plugs: Threaded 3/4" NPT
Head Gaskets, Cometic: 81.5mm bore = C4232 84.5mm = H1340SP1030
Main bearing size: 55mm (2.165”)
Main bearing bore: 59mm (2.323” – 2.3238”)
Main Bolts: 7/16” - 14
Main caps: Steel - 2 bolt w/dowels .003” press
Main thrust width: 21mm (.830”)
Oil system: Standard Honda
Oil Filter: Standard Filter
Oil Pan: Standard Oil Pan
Piston Oilers: Threaded holes are provided but can be plugged.
Rear Main Seal Stock seal
Serial No. Left rear on oil pan rail
Sleeves: Replaceable ductile iron dry sleeves
Sleeve OD: 87.63mm (3.450”)
Sleeve O.S. + .010” & +.020” available
Sleeve thickness: 81.5mm bore = 3.065mm (.120”) / 84.5mm bore = 1.565mm (.062”)
Sleeve Length: 212mm deck = 140mm (5.50”) / 226mm deck = 152mm (6.00”)
Studs, heads: Use ARP# 208-4303 w/Dart CNC head
Supplied parts: Dipstick tube, threaded oil filter mount, belt tensioner spring stud
Timing Belt: 212mm Deck - Std belt
226mm Deck – Cloyes# B-294 or Gates# T-294 Use GSR-VTEC
water pump w/22T pulley
Torque Specs: 1-5 7/16” bolts - 65 ft lbs
Weight: 67 lbs

Details

SKU	#DAR1
Weight	75.00 lbs
Price:	$2599.99

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