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Pro Series Crankshaft 13384

Price:
$1,882.99
SKU:
LUNAM111DNLUN
Brand:
Quantity:


Product Description

Lunati Pro Series crankshafts are manufactured from the highest quality 4340 certified steel. The 4340 material meets all aircraft quality standards for material and purity standards. Lunati Pro Series crankshafts are manufactured to excating specifications and are held to strict tolerances.
SBC Pro Series Crankshaft, Stroke 3.875, 2.448 Main Bearing, 2.100 Rod Journals, Minimum Rod Length 6.000, Crank Weight 50–52 Lbs., 2–piece rear main seal

Installation Notes
Must Use Chamfered Bearings
We Recommend Using premium bearings.
Rod Bearing Part # CR848HP Main Bearing # MB5142HP


Features

* 4340 Non Twist Alloy
* Induction Hardened
* Mains Gun Drilled
* Counterweights Have Contoured Wing Design
* All rod journals are drilled with either a 7/8" or 3/4" lightening hole, which reduce the inertia weight of the crankshaft
* All journal radii are ground to .140"
* The roundness of each journal is .0001 or less
* Overall stroke is held to +/- .001"
* The surface finish of the shaft is a grade 5 RMS or better
* Induction hardened 360º to depth of .055"
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