Part Number:

CS-6256-JE

Compstar 6.2L LS3 405/408 Balanced Rotating Assembly. 12.5:1 JE Pistons

6.2L LS3 405 406 407 408 Rotating Assembly, Callies Compstar Crankshaft 3.900 Stroke, Callies Compstar 6.125 H-Beam Rods, +7.5cc Dome JE Pistons, HP Steel Piston Rings, HP Bearings Included, Balanced Assembly

Special Price $3,710.95 Regular Price $3,750.95

Bore Size

4.065 ( 405 ) 324013

4.070 ( 406 ) 324014

4.075 ( 407 ) 324015

4.080 ( 408 ) 324016

Reluctor Wheel

24 Tooth Reluctor

58 Tooth Reluctor

Kit Options

H13 Wrist Pin Upgrade + $225.00

Compstar Xtreme Duty H Beam Rods CSC6125DS2A2AX + $600.00

Boostline Connecting Rods LS6125-927 + $1,000.00

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⚠ PROP 65 WARNING

⚠ WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer. Please contact us to obtain a list of harmful chemicals. For more information, go to www.P65Warnings.ca.gov.

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Description

Callies Compstar LS3 6.2L rotating assembly kits offer quality and reliability you can count on. Featuring fully counterweighted forged crankshafts, H beam connecting rods and 2618 forged pistons this kits is designed to make horsepower. Rated to support up to 1350 horsepower engine builds with kit option upgrades. Higher horsepower applications please contact us for other kit options

GM Chevy 6.2L LS3 L92 405-408 Stroker Balanced rotating assembly kit features

Callies Compstar 4340 forged steel crankshaft, 3.900 Stroke, 8 counterweight

Callies Compstar forged 4340 steel H-Beam rods with 7/16" ARP 2000 rod bolts

JE 2618 forged pistons, .150 wall wrist pins, Round wire locks, Coated Skirts, 1.165 C/H (Valve Pocket fits 15 Degree LS heads)

JE Pro Seal Rings 1.2mm Carbon steel nitride top ring, 1.5mm Napier second ring, with 3.0mm oil rings for power adders

High performance H series rod and main bearings

This Rotating assembly kit has been Internal balanced in-house by CNC-Motorsports

Compression Ratio with 64cc head 13.2:1

Compression Ratio with 68cc head 12.5:1

Compression Ratio with 70cc head 12.2:1

Specifications

More Information
CNC Part Number	CS-6256-JE
Price	$3,750.95
Manufacturer's Part Number	CS-6256-JE
Brands	Callies, Compstar
Part Types	Engine Rotating Assembly Kit
Departments	Parts
Vehicle Make	Chevy LS
Balanced Assembly	Yes
Balance Type	Internal
Crankshaft Material	4340 Forged Steel
Crankshaft Stroke	3.900
Piston Brand	JE
Piston Type	Dome
Rod Length	6.125
Piston Material	2618 Forged
Custom Notices	⚠ PROP 65 WARNING

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