ROTATING ASSEMBLIES
Competition Rotating Assemblies with 4340 Crankshaft Unbalanced Assemblies
"ESP" Competition rotating assemblies are designed for small block engine builds up to 750 horsepower and big block up to 850. They include high-quality brand components to build a durable competition race engine. Rotating assemblies include: “ESP” 4340 forged steel crankshaft, “ESP” H-Beam 3-D connecting rods, Mahle or SRP forged pistons, file-fit piston rings, and Speed-Pro or Clevite 77 rod and main bearings. Flexplate/flywheel and balancer not included. Requires balancing at a professional machine shop. Eagle Specialty products reserves the right to substitute parts due to availability. Each kit part number is specified by bore size.
Cubic Inch
Bore Size
Rod Length 6.635"
Balance Needed Internal
Piston Type
Piston Rings
Comp. Ratio 9.5:1
Part No.
Stroke
Mahle Inv. Dome
EAG157144080
445
4.080"
4.250"
File Fit
CYLINDER HEADS
EDE60069
Ford “FE” Block 390-428 Performer RPM
Direct bolt-on for 1961-76 390, 427, and 428 engines. The 428 Cobra Jet-sized valves will clear the 4.050" bore of the 390 engine. EDE60079 and have vertical bolt patterns to fit low- or medium-riser 427 engines only. Sold individually, bare or assembled.
Intake Runner
Comb. Chamber
Valve Angle
Intake Valve
Exhaust Valve
Part No.
Description
Edelbrock
EDE60059 EDE60065 EDE60069 EDE60075 EDE60079
Bare Head, 390-427-428, Each
170cc 170cc 170cc 170cc 170cc
72cc 72cc 72cc 76cc 76cc
13° 13° 13° 13° 13°
2.090" 2.090" 2.090" 2.090" 2.090"
1.660" 1.660" 1.660" 1.660" 1.660"
Assembled, 390-428 CJ, 1.550" Dual Springs, Each Assembled, 390-427-428, 1.550" Dual Springs, Each Assembled, 427 Low/Medium Riser, 1.550" Dual Springs, Each
Bare Head, Low/Med. 427, Each
Speedmaster
SPMPCE281.2154
Assembled, 390-428, 1.460" Dual Springs, Pairs
170cc
76cc
13°
2.090"
1.650"
STREET PERFORMANCE/COMPETITION VALVES
Ford “FE” Block 332-428 Ferrea Part No. Description Dia.
Length
Qty.
6000 Series Valves Exhaust Valves FERF6212-8
Comp 6000, 3/8" Comp 6000, 3/8"
1.655" 1.750"
5.435" 5.435"
8 8
FERF6216-8
Intake Valves FERF6210-8
Comp 6000, 3/8"
2.090"
5.450"
8
425 2021-22 ENGINE BUILDER CATALOG
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