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8 11521-R1 4
How about a 3
balance and surface finish
Additional reliefs on each side of the roller slot allow engine oil from the cam lobe face to lubricate the needle rollers
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Dart Aluminum LS Next Block, CNC-Machined, P1 S220 1/2" Head Studs Included Inconel Exhaust 8 11521-R1 4Price Includes CNC Machined, Assembly Ready Block (cam bearings installed) and P1 1 2" Head Stud Kit Dart Machinery is our preferred vendor for aluminum LS engine blocks used in boosted applications. Their splayed main cap design is unique among LS blocks and we that it believe provides superior strength. Our typical starting point is Dart PN 31947211 which is skirted and has a 9. 240 deck and 4. 125 inch bore. As we climb the horsepower ladder, we
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