Summit Racing™ Pro LS 6.2L Rotating Assemblies

4.0 out of 5 stars 3 Customer Reviews

Summit Racing™ Pro LS 6.2L forged rotating assemblies provide industry-leading fit, finish, and durability at an affordable price. These kits are tested to over 1,2

Summit Racing™ Pro LS 6.2L forged rotating assemblies provide industry-leading fit, finish, and durability at an affordable price. These kits are tested to over 1,200 hp in turbo applications. They're available in a wide range of fitment and performance options.

Standard features and specs may include:

* 4340 forged steel crank
* Core hardened to optimum strength, tempered, and nitride hardened
* Lightening rod journals, gun-drilled mains, and profiled counterweights for better engine acceleration
* Maximum journal tolerances of +/- .0001 to ensure consistent bearing clearance
* Straight-shot oiling for maximum oil film strength at the maximum load angle
* 4340 forged H-beam connecting rods
* Designed for 5,000 ft./min. average piston speed in street and drag applications
* 7/16 ARP 2000 rod bolts with 200,000 psi tensile strength; dual ribbed caps for maximum strength
* Added stroker clearance and balanced to within +/- 1 gram per end
* Full-floating and precision-honed in the USA to +/- .0001 in.
* 2618 forged aluminum pistons
* Ultra-modern 2618 alloy forgings for boost and nitrous with maximum ring land thickness
* Pressure-fed pin oiling with durable chromium steel wrist pins
* Specially profiled and coated piston skirts for stroker applications with tight piston-to-wall clearance
* Generous valve reliefs for extra piston-to-valve clearance accommodate cathedral and rectangle heads
* Premium steel piston rings
* Steel top rings designed for maximum life with boost and nitrous
* File-fit rings for maximum ring seal, reduced friction, and tensions optimized for wet sump engines
* Martensitic ductile Napier-hook second rings for strength and maximum oil control
* Premium main and rod bearings
* Clevite H-bearings are designed for high-rpm operation in racing applications
* Tri-metal bearings designed with high bearing crush for maximum retention
* Medium eccentricity shells with precision wall tolerance of +/- .00015 in.

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Summit Racing™ Pro LS 6.2L Rotating Assemblies SUM-R584007021

Pro LS 4340 Rotating Assembly, 416 Cid., 4.070 bore, 4.000 stroke, 58x, 6.125 rod, 21cc dish, 9.9:1 @ 65cc, 9.5:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R584007021

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