Eagle 64142 SB Ford 351W/425 Pro Street Rotating Assembly, -6cc Mahle Flat Top Pistons

Small Block Ford 351W 425 Pro Street Rotating Assembly Kit, Eagle 4340 Forged Steel Crankshaft 4.170 Stroke, 351W 3.000 Main, Eagle 6.250 I-Beam Rods, 4032 Mahle Forged -6cc Flat Top Pistons, Fits 1 or 2-PC Rear Seal, Rings and Bearings Included

Special Price $2,231.95 Regular Price $2,291.95

Kit Upgrades

Internal Balanced Assembly B64142 + $250.00

ARP2000 Rod Bolts + $110.00

1/4" Blower Keyway + $90.00

Bore Size

.030 (4.030) - 425

.040 (4.040) - 427

Main Bearing Option

1969-1975

1976+

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.

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Description

Eagle Pro street rotating assemblies are the perfect choice for applications under 600 horsepower. Power adders are not recommend for this kit
Eagle 4340 forged steel crankshaft, 4.170 stroke, 1 or 2 piece rear main seal *3.000 Mains*
Eagle forged 4340 steel "FSI" I-Beam rods, 6.250 length, 3/8" ARP 8740 rod bolts
4032 Mahle forged pistons with performance ring set
Performance rod and main bearings
Rotating assembly kit is unbalanced, Internal balancing required before installation (Part number B64142 for balanced kit)
Compression Ratio with 58cc 13.0:1
Compression Ratio with 64cc 12.1:1
Compression Ratio with 72cc 11.3:1
Note *351 Windsor stock bore size is 4.000*

Two different deck heights exist for production Ford 351W engines. 1969-1970 blocks will have a 9.480" deck height. From 1971 and up the deck height is 9.500".

Specifications

More Information
CNC Part Number	ESP-64142
Price	$2,291.95
Manufacturer's Part Number	64142
Brands	Eagle, Mahle
Part Types	Engine Rotating Assembly Kit
Departments	Parts
Vehicle Make	SB Ford
Balanced Assembly	No
Balance Type	Internal
Crankshaft Material	4340 Forged Steel
Crankshaft Stroke	4.170
Piston Brand	Mahle
Piston Type	Flat Top
Rod Length	6.250
Rear Main Seal	1 or 2 Piece
Piston Material	4032 Forged
Custom Notices	⚠ PROP 65 WARNING