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Stocking Pistons: Small Block Chevrolet

LS1
Ross LS1 Pistons
  • These piston kits are an excellent value.
  • Pistons are loaded with features such as double forced pin oilers, annual pin oiler grooves, pressure reservoir in second land, and precision pin fitting.
  • All pistons machined for reluctor wheel clearance.
  • Skirts are CNC-turned to work properly under intense heat and tremendous side loads without scuffing or splitting cylinder walls.
  • Valve pockets displace 4cc.
  • These heavy-duty pistons feature thick lands and deck and are suitable for nitrous (NOTE: part #99840 is designed for forced induction applications).
  • Pins and 1.5, 1.5, 3MM rings included.
  • For Technical information about rings please click here.
  • LS1 BLOCK HEIGHT = 9.240, STOCK BORE = 3.899, STOCK STROKE = 3.622, STOCK ROD LENGTH = 6.098, STOCK HEAD = 64c.c., STOCK PIN DIA. = 0.945
PART #
BORE
STROKE
ROD

LENGTH
C.R.
C.H.
NET CC
PIN

DIA.
PRICE
99838  3.905  3.622  6.098  9.0 1.326  -4.000  0.945 837.53  Buy Now
99840  3.905  3.622  6.125  9.0 1.299  -15.800  0.927 837.53  Buy Now
99839  3.905  3.622  6.125  10.7 1.299  -4.000  0.927 837.53  Buy Now
99837  3.905  4.000  6.125  10.7 1.110  -9.000  0.927 837.53  Buy Now
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