289 High Performance V8 Federal Mogul Speed Pro Divisio Cast Piston
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If you're building a stock 289 High-Performance engine, you don't need expensive and temperamental forged pistons. For Paul Calvisi's Hi-Po engine, we went with .020-inch oversize (4.020-inch bores) cast pistons from Federal Mogul's Speed Pro Division with ductile iron rings. Builder Steve Karst of Karst Engineering gently rolled the rings on, lubricating ring grooves and rings with SAE 30 weight engine oil for proper break-in. View Related Article
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