Eagle Competition LS Rotating Assembly, Stroker Kit, LS7, LSX, 4.000 Stroke, 4.125 Bore, 428 cu.in.
Forged 4340 Crankshaft
Forged 4340 H-Beam Rods
6.125 Rod Length
Balancing Options Available
24 or 58-Tooth Reluctor
Dish or Flat Top Pistons
7/16 ARP 8740 or 2000 Rod Bolts Available
Rotating assembly consist of the crankshaft, connecting rods, pistons and rings. Butler Performance doesn't simply install or sell rotating assemblies out of the box. Most suppliers and builders simply "box balance" based on manufacturer supplied weights.
We don't take anyone else's word when it comes to the parts we stand behind. We put all rotating assemblies through the Butler Process for quality and performance. Our internal balancing process ensures each part of the kit is put through a multi-step inspection process. We then weigh and pin fit the rods and pistons as needed. We computer balance the crankshaft to the rest of the assembly. This process ensures that all the parts of the assembly are matched to form a "Butler Performance" worthy assembly. We then document all weights and information on a balance card that ships with the assembly.
|24T||58T||58t long Snout||Stroke||Rod||Piston||66cc||4.125||4.155|
|12822||12823||12833||4.000"||6.125"||2618 Arias -29cc Inv. Dome||9.0||428||-|
|12826||12827||12837||4.000"||6.125"||2618 Arias -4.5cc Flat Top||11.5||428||-|
- Item Requires Shipping
- 60.0 lbs.
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