Summit Racing™ Pro LS 6.2L Rotating Assemblies SUM-R58400706

Overview

Brand:
Summit Racing
Manufacturer’s Part Number:
SUM-R58400706
Part Type:
Engine Rotating Kits
Product Line:
Summit Racing™ Pro LS 6.2L Rotating Assemblies
Summit Racing Part Number:
SUM-R58400706
Actual Engine Displacement:
6.8L/416
Rear Main Seal Style:
1-piece
Bore (in.):
4.070 in.
Bore (mm):
103.380mm
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.):
0.005 in.
Piston and Ring Oversize (mm):
0.13mm
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

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.

Warranty