(1 customer review)

Summit Racing™ Pro LS 6.2L Rotating Assemblies SUM-R58400756

$2,540.87 $2,330.99
-8%

Description

Summit Racing™ Pro LS 6.2L Rotating Assemblies SUM-R58400756

Manufacturer’s Part Number: SUM-R58400756
Summit Racing Part Number: SUM-R58400756
Actual Engine Displacement: 6.8L/417
Rear Main Seal Style: 1-piece
Bore (in.): 4.075 in.
Bore (mm): 103.500mm
Engine Stroke (in.): 4.000 in.
Balanced: No
Piston Material: Forged aluminum
Piston Style: Dish, with two valve reliefs
Harmonic Balancer Included: No
Flexplate Included: No
Flywheel Included: No
Pistons Included: Yes
Piston Head Volume (cc): +6.00cc
Wrist Pin Style: Press-fit or floating
Piston Rings Included: Yes
Piston Ring Facing Material: Nitride
Piston and Ring Oversize (in.): 0.010 in.
Piston and Ring Oversize (mm): 0.25mm
Crankshaft Included: Yes
Crankshaft Material: Forged 4340 steel
Engine Balance: Internal
Connecting Rods Included: Yes
Connecting Rod Length Center to Center (in.): 6.125 in.
Connecting Rod Material: Forged 4340 steel
Connecting Rod Beam Style: H-beam
Rod Bearings Included: Yes
Rod Bearing Undersize (in.): Stock
Rod Bearing Undersize (mm): Stock
Main Bearings Included: Yes
Main Bearing Undersize (in.): Stock
Main Bearing Undersize (mm): Stock
Cam Bearings Included: No
Gaskets Included: No
Oil Pump Included: No
Camshaft Included: No
Lifters Included: No
Timing Chain and Gears Included: No
Plastigage Included: No
Assembly Lubricant Included: No
Quantity: Sold as a kit.
Notes: 6-bolt flange and standard snout for factory wet sump engines, except 1999-2000 thick flange LQ4. Optional thick tool steel pin upgrade recommended at 1,000 hp boosted or 300+ nitrous. Dual 3/16 keyway, Woodruff key not included, re-use factory or use NAL-12561513 rear and add SUM-161000 front for blower balancers. Always clean with mineral spirits and brake-clean oil gallery with 1/4 in. engine brush PIO-4501.

Summit Racing™ Pro LS 6.2L Rotating Assemblies ( Buy Summit Racing™ Pro LS 6.2L forged rotating assemblies )

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.

Reviews (1)

1 review for Summit Racing™ Pro LS 6.2L Rotating Assemblies SUM-R58400756

  1. Theodore

    It’s was on time a easeto put together and it’s was just what I needed

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