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Part Number:

MOL-5103-WS

Molnar LS7 427 Balanced Rotating Assembly Kit 8.7:1 Wiseco Pistons

LS7 427 Rotating Assembly Kit, Molnar Forged Crankshaft 4.000 Stroke, Molnar H Beam Rods 6.125, ARP2000 Bolts, -32cc Dish Wiseco Pistons, Performance Rings, H Bearings, Balanced Assembly

$3,527.95

Bore Size

4.130 (429) K397X130

4.135 (430) K397X135

4.155 (434) K397X155

4.125 (427) K397X125

Reluctor Wheel

58 Tooth

24 Tooth

Kit Options

S718 Wrist Pin Upgrade + $225.00

Molnar Power Adder Rods + $150.00

Qty

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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

CNC-Motorsports is proud to introduce Molnar LS7 rotating assembly kits to our customers looking for maximum value and quality. These Molnar kits are designed to safely support up to 1200 horsepower with wrist pin upgrades. Molnar kits will work with power adders such as boost and nitrous. S718 wrist pin upgrade recommended for past 700 horsepower

Molnar 4340 forged steel crankshaft 4.000 stroke *Short Post for wet sump*

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

Wiseco 2618 forged pistons, ArmorGlide Skirt Coating, .150 wall wrist pins *Pistons fit LS1,2,3,6,7,L92 Heads*

Pistons Compression height 1.115

Performance steel fit to fit ring set - *Good for boost or nitrous*

Performance Race H series rod and main bearings

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

Compression ratios figured at 0 deck with .051 gasket

Compression Ratio with 65cc heads 9.1:1

Compression Ratio with 66cc heads 8.9:1

Compression Ratio with 68cc heads 8.8:1

Compression Ratio with 70cc heads 8.7:1

Specifications

More Information
CNC Part Number	MOL-5103-WS
Price	$3,527.95
Manufacturer's Part Number	5103-WS
Brands	Molnar, Wiseco
Part Types	Engine Rotating Assembly Kit
Departments	Parts
Vehicle Make	Chevy LS, Chevy LS7, Chevy LSX
Balanced Assembly	Yes
Balance Type	Internal
Crankshaft Material	4340 Forged Steel
Crankshaft Stroke	4.000
Piston Brand	Wiseco
Piston Type	Dish
Rod Length	6.125
Piston Material	2618 Forged
Custom Notices	⚠ PROP 65 WARNING

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