Click to enlargeStroke Your Ford From 302 C.I. To 347 C.I.

Eagle 430234005400 Ford 347 forged steel crankshaft.

Turn your 302ci engine into a 347ci stroker!

Recommended in applications up to 1500 horsepower.

Internally balanced.

3.400" stroke.

Minimum rod length is 5.400.

Approximate weight is 46-47 lbs.

Bobweight is 1750. Target bobweight is +/- 2%.

Standard oiling design. 2 piece rear seal design.

Main journal diameter is 2.249.

Rod journal diameter is 2.100.

Rod journal width is 1.680.

6 flywheel bolts.

Recommend using MS590H main bearings and CB634HN rod bearings.

Provides 342 cubic inches with a standard bore.

Provides 345 cubic inches with a .020 overbore.

Provides 347 cubic inches with a .030 overbore.

Provides 349 cubic inches with a .040 overbore.

Provides 352 cubic inches with a .060 overbore.

Eagle ESP 4340 forged steel crankshafts feature exceptional strength and unsurpassed quality at a reasonable price.

Forged in a non-twist forging and each crankshaft undergoes a multi-stage heat treatment process as well as stress relieving, shot peening, and nitriding.

Manufactured with a 0.125" radius on all journals, rear seal and snout for added strength so chamfered bearings must be used.

Each crankshaft is inspected for dimension, size and stroke accuracy.

Lightening holes in each rod throw for reduced weight.

TECH NOTE: Stock 302 stroke is 3.000". Stock 302 bore is 4.000". Stock 289 stroke is 2.870". Stock 289 bore is 4.000". Stock main journal size is 2.249. Stock rod journal size is 2.123. Stock 302 rod length is 5.0885-5.0915 and stock 289 rod length is 5.1535-5.1565.

INSTALLATION TECH NOTE: Will NOT work with AOD or AODE torque converters that have the "long snout design". Be sure to check this before ordering. If using an AOD transmission, this crankshaft will only work with "short snout" AOD or AODE converters.

The Eagle 430234005400 Ford 347 stroker forged steel crankshaft makes it easier to build a reliable engine.

Scroll down the page for all parts required for a complete rotating assembly.

Eagle 430234005400 Ford 347 stroker forged crankshaft EAGLE-430234005400$639.97

Click to enlarge Ford 347 Stroker Connecting Rods for Eagle 430234005400 Crankshaft
Eagle CRS5400C3D connecting rods for Ford 347 stroker engine using the Eagle 430234005400 crankshaft.

Measures 5.400" long.

0.927" pin/ 2.100 crank pin 0.8315 b.e. width.

Weight is 605 grams.

Eagle ESP connecting rods are the perfect choice for engines up to 750 horsepower.

Eagle ESP H-Beam connecting rods are forged from 4340 steel.

7/16" ARP 8740 bolts with precision alignment sleeves that locate the rod cap to help maintain big end bore size and eliminate cap walk.

Packaged in a weight-matched set (+or- 1 gram).

Sizing is done on the state of the art Sunnen Krossgrinding system.

All Eagle ESP Connecting Rods are multi-stage heat treated, magna-fluxed, and sonic tested.

The Eagle ESP series connecting rods are manufactured from a two-piece forging.

The forging process forces the grain into the shape of a connecting rod, resulting in a superior fatigue life.

The rod cap is forged separately so that the grain runs perpendicular to the load forces, which strengthens the rod.

Also, a higher content of nickel and chrome is used, which increases the strength and fatigue life without making the rod brittle.

Extensive testing has proven the Eagle two-piece forging to be superior to any one-piece forging on the market!

Sold as a set of 8 Eagle ESP H-Beam connecting rods.

Click to enlargeFord 347 main bearings rod bearings for Eagle 430234005400  crank
Clevite main bearings and rod bearings for Ford 347 stroker.

Use this bearing set with the Eagle 430234005400 crankshaft shown above.

Typical characteristics of H Series bearings: Medium level of eccentricity and high crush.

Enlarged chamfers for greater crankshaft fillet clearance.

Made without flash plating for better seating

Use with crankshafts that have oversized fillets and with engines that run mid-high RPM ranges.

Contact patterns should ideally cover 2/3 to 3/4 of the bearing surface.

Clevite MS590H-standard main bearings.

Clevite CB634HN-standard rod bearings.

Ford 347 Stroker Pistons for Eagle 430234005400 Crankshaft
SRP 140689 forged pistons.

Use this piston set with the Eagle 430234005400 crankshaft.

This piston set is based on a Ford 302 with a .030 overbore, providing 347 cubic inch stroker with a 3.4 stroke crankshaft and a 5.4" connecting rod.

Sold as a set of 8 forged pistons.

Includes wrist pins.

Bore size is 4.030".

CNC machined ring grooves accept 1/16" and 1/16" and 3/16" rings.

Dome volume is a -5CC.

Each piston weighs in at 423 grams.

.000 deck height.

Wrist pins are .927 X 2.750 X .150 wall.

Designed for a rod length of 5.400" and a stroke of 3.000".

Compression height is 1.100".

Provides a 11.5 compression ratio with 58cc heads.

Provides a 10.9 compression ratio with 64cc heads.

Provides a 10.4 compression ratio with 72cc heads.

TECH NOTE: Fits Ford TFS, GT40, Canfield, Brodix Track 1, OEM heads and Dart windsor heads.

TECH NOTE: Will not fit Twisted Wedge or Edelbrock 7721 heads or N361 heads.

Made of 4032 wrought aluminum alloy.

Designed for street and strip applications utilizing compression ratios that are compatible with pump gas.

These pistons also provide a quieter engine on cold start-up.

Features symetrical valve pockets fully radiused.

Honed pin bore, forged side relief.

Full floating wrist pin.

Double spiro locks.

Machined oil drain back holes (not slotted).

Pressure fed pin oilers.

SRP pistons are forged from wrought alluminum alloys.

Wrought aluminum is 20% stronger than aluminum bar stock and 50% stronger than cast aluminum pistons.

SRP uses only the highest grade wrought aluminum alloys to make a stronger, lighter piston.

These aerospace quality alloys have been rigourously tested and found to be the most durable material for this application.

To optimize the weight of the piston, application specific forgings are designed in 3D computer modeling programs.

This makes it possible to have consistent dome thickness which will not compromise the durability of the piston.

All SRP pistons feature fully CNC machined domes, dishes and valve reliefs to give you precise compression ratios and consistent weights.

All SRP pistons incorporate CNC diamond turned skirts to provide you with a better, more consistent finish.

CNC honed pin bores.

Thoroughly deburred prior to cleaning and packaging so no prep work is required.

SRP pistons are ready to run right out of the box.

ORDERING NOTE: Pistons are not returnable. Please be sure to check your engines oversize requirements, cam requirements and head and piston to valve clearance requirements before ordering. We recommend that this be done by an experienced and competant engine builder.

Ford 347 Stroker Piston Rings for SRP 140689 Pistons
Sealed Power Speed Pro piston rings.

Fits SRP 140689 piston set shown above.

Bore (in): 4.030 in.

Bore (mm): 102.362mm

Top Ring Thickness: 1/16 in.

Second Ring Thickness: 1/16 in.

Oil Ring Thickness: 3/16 in.

Oil Ring Tension: Standard

File Fit: No

Gapless: No

Top Ring Material: Iron

Top Ring Facing Material: Moly

Second Ring Material: Iron

Second Ring Facing Material: Cast iron

Oil Ring Material: Stainless steel

Quantity: Sold as a set.

Sealed Power piston-ring sets are designed to not only stand up to the stresses induced by high engines, but also to last a long time.

Beveled, 1/16 in. ductile-iron top rings for increased high-rpm sealing and reduced blowby.

Tapered 1/16 in. iron secondary rings for excellent oil control.

3-piece SS-50 stainless steel oil rings that provide the right amount of tension without robbing horsepower.


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