Scat 4340 Forged Crank Balanced Rotating Assembly


Scat
Scat 4340 Forged Crank Balanced Rotating Assembly

Product images may differ from actual product appearance.

Scat rotating assembly components are designed to offer the best in performance, which helps eliminate guesswork. All components are selected to ensure customer needs are met. Whether street, strip, or circle track, Scat has the ultimate precision-balanced rotating assembly for your application. Click More Info links below for compression ratios.

Assemblies include:
  • 4340 forged crankshaft
  • 4340 forged H or I-beam connecting rods
  • Forged pistons
  • Ring set (plasma ductile iron top; reverse twist 2nd ring; standard tension oil ring)
  • Clevite 77 bearings



    		•
    SB-Chevy
  • 350 main
  • 2-piece rear seal
  • Internally balanced

    		• 942-1-40005BI
    		4340 Forged Rotating Assembly
  • 355ci
  • Pistons: Flat
  • Bore: 4.030"
  • Stroke: 3.480"
  • I-Beam Rod: 5.700"
    More info on Scat 1-40005BI
    		• $1,458.99
    Ships
    02/23/12

    		942-1-40055BI
    		4340 Forged Rotating Assembly
  • 355ci
  • Pistons: Dome
  • Bore: 4.030"
  • Stroke: 3.480"
  • I-Beam Rod: 5.700"
    More info on Scat 1-40055BI
    		• $1,490.99
    Ships
    02/23/12

    		942-1-40205BI
    		4340 Forged Rotating Assembly
  • 355ci
  • Pistons: Flat
  • Bore: 4.030"
  • Stroke: 3.480"
  • I-Beam Rod: 6.000"
    More info on Scat 1-40205BI
    		• $1,458.99
    Ships
    02/23/12

    		942-1-40305BI
    		4340 Forged Rotating Assembly
  • 355ci
  • Pistons: Dome
  • Bore: 4.030"
  • Stroke: 3.480"
  • I-Beam Rod: 6.000"
    More info on Scat 1-40305BI
    		• $1,490.99
    Ships
    02/23/12

    		942-1-40755BI
    		4340 Forged Rotating Assembly
  • 383ci
  • Pistons: Flat
  • Bore: 4.030"
  • Stroke: 3.750"
  • I-Beam Rod: 6.000"
    More info on Scat 1-40755BI
    		• $1,458.99
    Ships
    02/23/12

    		942-1-40760BI
    		4340 Forged Rotating Assembly
  • 383ci
  • Pistons: Flat
  • Bore: 4.030"
  • Stroke: 3.750"
  • H-Beam Rod: 6.000"
    More info on Scat 1-40760BI
    		• $1,800.99
    Ships

    		942-1-40760BI040
    		4340 Forged Rotating Assembly
  • 383ci
  • Pistons: Flat
  • Bore: 4.070"
  • Stroke: 3.750"
  • H-Beam Rod: 6.000"
    More info on Scat 1-40760BI040
    		• $1,939.99
    Ships
    02/23/12

    		942-1-40805BI
    		4340 Forged Rotating Assembly
  • 383ci
  • Pistons: Dish
  • Bore: 4.030"
  • Stroke: 3.750"
  • I-Beam Rod: 6.000"
    More info on Scat 1-40805BI
    		• $1,490.99
    Ships
    02/23/12

    		942-1-40855BI
    		4340 Forged Rotating Assembly
  • 383ci
  • Pistons: Dome
  • Bore: 4.030"
  • Stroke: 3.750"
  • I-Beam Rod: 6.000"
    More info on Scat 1-40855BI
    		• $1,490.99
    Ships
    02/23/12
    SB-Chevy
  • 400 main
  • 2-piece rear seal
  • Internally balanced

    		• 942-1-41405BI
    		4340 Forged Rotating Assembly
  • 407ci
  • Pistons: Flat
  • Bore: 4.155"
  • Stroke: 3.750"
  • I-Beam Rod: 6.000"
    More info on Scat 1-41405BI
    		• $1,496.99
    Ships
    02/23/12
    BB-Chevy
  • 454 main
  • 2-piece rear seal
  • Internally balanced
    •   942-1-42305BI
    		4340 Forged Rotating Assembly
  • 489ci
  • Pistons: Flat
  • Bore: 4.280"
  • Stroke: 4.250"
  • H-Beam Rod: 6.385"
    More info on Scat 1-42305BI
    		• $1,812.99
    Ships
    02/23/12

    		942-1-42360BI
    		4340 Forged Rotating Assembly
  • 489ci
  • Pistons: Dome
  • Bore: 4.280"
  • Stroke: 4.250"
  • H-Beam Rod: 6.385"
    More info on Scat 1-42360BI
    		• $2,010.99
    Ships

    		942-1-42370BI
    		4340 Forged Rotating Assembly
  • 540ci
  • Pistons: Flat
  • Bore: 4.500"
  • Stroke: 4.250"
  • H-Beam Rod: 6.385"
    More info on Scat 1-42370BI
    		• $1,951.99
    Ships
    02/23/12

    		942-1-42380BI
    		4340 Forged Rotating Assembly
  • 540ci
  • Pistons: Dome
  • Bore: 4.500"
  • Stroke: 4.250"
  • H-Beam Rod: 6.385"
    More info on Scat 1-42380BI
    		• $2,010.99
    Ships
    02/23/12
    SB-Ford
  • 302 main
  • 2-piece rear seal
  • Internally balanced

    		• 942-1-45305BE
    		4340 Forged Rotating Assembly
  • 302ci
  • Pistons: Flat
  • Bore: 4.030"
  • Stroke: 3.400"
  • I-Beam Rod: 5.400"
    More info on Scat 1-45305BE
    		• $1,559.99
    Ships
    02/23/12