If you have any questions please call us at 972-853-2450 or email sales@thompsonmotorsports.net


Included is the following:

  • K1 4340 forged crankshaft:   
               4.000" wet sump
               4.000" dry sump
  • K1 4340 forged H-beam 
  •     Include ARP 2000 rod bolts
  • 24x or 58x reluctor


****THIS ITEM IS NOT BALANCED AND DOES NOT COME WITH BEARINGS****

***can add bearing and balance in drop downs.***

***NO NEED TO ADD BEARINGS IF BALANCE AND BEARING OPTION CHOSEN***

pistons available below







Diamond pistons:





4.000"BORE STROKE ROD LENGTH CH Cubic inchWRIST PIN VOLUMERing packInt. valve pocket depthExh. valve pocket depthCR 64cc w/ .051" head gasketCR 70cc w/ .051" head gasket
11504-R1-8Chevy LS1 Dish3.9054.0006.1251.115383.927 x 2.500-7.0cc1.2mm x 1.5mm x 3.0mm0.1760.10510.710.1
11505-R1-8Chevy LS1 Flat Top3.9054.0006.1251.115383.927 x 2.500-2.0cc1.2mm x 1.5mm x 3.0mm0.1760.10511.310.6
11542-R1-8Chevy LS3/L92 Flat Top4.0054.0006.1251.115402.927 x 2.500-2.0cc1.2mm x 1.2mm x 3.0mm0.1760.10511.811.1
11551-R1-8Chevy LS3/L92 Dish4.0054.0006.1251.115402.927 x 2.500-19.2cc1.2mm x 1.2mm x 3.0mm0.1760.1059.89.3
11519-R1-8Chevy LS1 Flat Top4.0304.0006.1251.115408.927 x 2.500-2.0cc1.2mm x 1.2mm x 3.0mm0.1760.105
11521-R1-8Chevy LS1 Dish4.0304.0006.1251.115408.927 x 2.500-15.0cc1.2mm x 1.2mm x 3.0mm0.1760.105
11546-R1-8Chevy LS3/L92 Flat Top4.0704.0006.1251.115416.927 x 2.500-2.0cc1.2mm x 1.2mm x 3.0mm0.1760.105
11555-R1-8Chevy LS3/L92 Dish4.0704.0006.1251.115416.927 x 2.500-22.5cc1.2mm x 1.2mm x 3.0mm0.1760.105
11547-R1-8Chevy LS3/L92 Flat Top4.1254.0006.1251.115427.927 x 2.500-2.0cc1.2mm x 1.2mm x 3.0mm0.1760.105
11584-R1-8Chevy LS3/L92 Dish4.1254.0006.1251.115427.927 x 2.50015.0cc1.2mm x 1.2mm x 3.0mm0.1760.105




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Rotating Assembly All Forged STROKER

  • Product Code: RANB-4.000
  • Availability: 990
  • $3,500.00


Available Options


Tags: rotating assembly, rotating, balanced, lsx, diamond racing, diamond, K1 technologies, Manley Performance, LS1, LS3, LS2, LS6