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Borowski Built Whipple 427 LS from Borowski Race Enterprises on Vimeo
Conventional style 4-bolt steel main caps are used
resulting in increased power and improved lubrication
12 Degree LS7 Valve Pockets
Type II power steering pump with baffled reservoir
555ci BBC Rotating Assembly - Callies Crank & Rods, Diamond Pistons Piston Dome:10cc Borowski Built Whipple 427 LSThese are the rotating assemblies we use in our Dart 9. 800" deck height, BBC engine builds. Our standard geometry is a 4. 250" stroke with a 4. 560" diameter cylinder bore which yields 555 cubic inches of displacement. The Callies crank and rods are offered at both the Compstar (imported) and Made in USA Magnum Ultra Enforcer levels. The Ultra Enforcer rods can be ordered in either H beam or I beam designs. The Diamond pistons we stock are 10cc and