Compstar LSX LS7 388 399 Balanced Rotating Assembly, 10.4:1 Mahle Pistons, Combo Pocket

LS LS7 LSX 388 389 393 399 Rotating Assembly, Compstar Forged Steel Crankshaft 3.625 Stroke, 6.125 H-Beam Rods, -5.8cc Flat Top Mahle Pistons, HP Piston Rings, H Bearings, Balanced Assembly, Combo Valve Pocket Fits 12 & 15 Degree LS Heads

$3,346.95

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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.

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Description

Callies Compstar LSX 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 1400 horsepower engine builds. Kit option upgrades are recommended for extreme engine builds. Higher horsepower applications please contact us for other kit options.

Compstar 4340 forged steel crankshaft 3.625 stroke, 8 Counterweight (short snout / wet sump)

Compstar forged 4340 steel H-Beam rods with 7/16" ARP 2000 rod bolts, 6.125 length

Mahle 2618 forged pistons, .168 wall wrist pins, Round wire locks, 1.304 C/H (*Combo Valve Pocket fits 12 & 15 degree LS Heads)

Grafal Anti-friction skirt coating, Phosphate 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

Performance H series rod and main bearings

This Rotating assembly kit has been Internally Balanced In-house by CNC-Motorsports

Compression Ratio with 64cc heads 11.1:1

Compression Ratio with 70cc heads 10.4:1

Compression Ratio with 72cc heads 10.2:1

Specifications

More Information
CNC Part Number	CS-7078-M
Price	$3,346.95
Sold As	Kit
Manufacturer's Part Number	CS-7078-M
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	3.625
Piston Brand	Mahle
Piston Type	Flat Top
Rod Length	6.125
Piston Material	Forged
Custom Notices	⚠ PROP 65 WARNING

Compstar LSX LS7 388 399 Balanced Rotating Assembly, 10.4:1 Mahle Pistons, Combo Pocket

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