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Part # 915545

Speedway 429/460 BBF Big Block Ford Stroker Rotating Assembly Kit

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  • This rotating assembly kit is specifically designed for the 429/460 BBF Big Block Ford
  • Connecting rods have a 6.700" length and are made from forged 4340 steel
  • Pistons have a 4.360" diameter and are made from hypereutectic aluminum

$1,379.99

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$1,492.00

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Product Summary

429, 460, 4.500" Engine Stroke, 606 grams Piston Weight

  • This rotating assembly kit is specifically designed for the 429/460 BBF Big Block Ford
  • Connecting rods have a 6.700" length and are made from forged 4340 steel
  • Pistons have a 4.360" diameter and are made from hypereutectic aluminum
  • Diameter of the wrist pins is 0.990" and they weigh only 158 grams
  • Has a compression height of 1.350 and an OE deck height of 10.320

Comes as a Kit

Key Specs

MFG. Part #915545
BrandSpeedway Motors
Connecting Rod TypeI-Beam
Piston MaterialHypereutectic Aluminum

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Details

How about a 552 cubic inch monster motor for the street?  This rotating assembly allows you to turn your 429 or 460 Ford Big Block into a stump pulling monster. Kit includes a new 4-1/2" stroke Scat cast steel crankshaft, new 6.7" Scat I-beam connecting rods, Keith Black Hypereutectic pistons, Clevite rod and main bearings and plasma moly rings.

Pistons are available in 4.360" + .030" or .060" oversize which give you 545-552 cubic inches.  Pin size of 0.9898" and weight of 606 piston / 158 pin.  Effective Head Volume of 20.5cc and Head Type of Step Dish.   Compression Height 1.350 and OE Deck Height 10.320.  74cc heads yield 11.4-1 and 97cc is 9.8-1.  As with any stroker kit, you will need to check for clearance between connecting rods and block along with rod side clearance. This assembly will require balancing with your balancer and flywheel. This kit is externally balanced.

 

Specifications

KEY SPECS
MFG. Part #915545
BrandSpeedway Motors
Connecting Rod TypeI-Beam
Piston MaterialHypereutectic Aluminum
GENERAL
Engine Stroke4.500"
Connecting Rod Length6.700"
Connecting Rod MaterialForged 4340 Steel
Connecting Rod Bolt Diameter7/16"
Piston Diameter4.360"
Piston Weight606 grams
Crankshaft MaterialCast Steel
Wrist Pin Diameter0.990"
Wrist Pin Weight158 grams
Sold in QuantityKit