Compstar LS 5.3 325/329 Balanced Rotating Assembly, 12.5:1 Mahle Pistons

LS 5.3 325 327 329 Rotating Assembly, Callies Compstar Crankshaft 3.625 Stroke, Callies Compstar 6.125 H-Beam Rods, +14cc Dome Mahle Pistons, HP Steel Piston Rings, HP Bearings Included, Balanced Assembly

Special Price $3,516.95 Regular Price $3,556.95

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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.

Description

Callies Compstar LS 5.3L rotating assembly kits offer quality and reliability you can count on. Featuring fully counterweighted forged crankshafts, H beam connecting rods with ARP2000 rod bolts, 2618 forged pistons, these kits are designed to make horsepower. Rated to support up to 1500 horsepower engine builds. Kit option upgrades are recommended for extreme engine builds. Higher horsepower applications please contact us for other kit options. Kit will Fit GEN III 4.8L LR4, GEN IV 4.8L LY2 L20, GEN III 5.3L Vortec 5300, or LM7 L59 LM4,

Callies Compstar 4340 forged steel crankshaft, 3.625 Stroke, 8 Counterweight

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

Mahle Powerpak 2618 forged pistons, HD .188 wall wrist pins (*Fits 15 degree LS Heads*)

Lareral Gas ports, Hard Anodized top ring groove for extreme duty applications

Grafal Anti-friction skirt coating, Phoshate coated piston to reduce Micro-welding

Mahle low drag pistons ring set. 1.0mm steel top ring, 1.0mm napier second ring, 2.0mm oil rings for power adders

High performance H series main bearings and rod bearings

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

Compression Ratio with 62cc head 13.0:1

Compression Ratio with 65cc head 12.5:1

Compression ratio calculated at zero deck and .040" gasket

Specifications

More Information
CNC Part Number	CS-5365-M
Price	$3,556.95
Manufacturer's Part Number	CS-5365-M
Brands	Callies, Compstar, Mahle
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	3.625
Piston Brand	Mahle
Piston Type	Dome
Rod Length	6.125
Piston Material	4032 Forged
Custom Notices	⚠ PROP 65 WARNING

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