The pistons from Diamond Pistons are suitable for use on the street as well as at the drag strip. Domestic engines with high-compression, forced induction, or nitrous-fed engines are designed and tested for high-stresses. These forged aluminium pistons are precisely built for your engine to produce the performance you need, and they are engineered with lifespan, reliability, and strength in mind.

LS9/LSA Competition Series

Piston Features:
  • 3D milling on piston crowns for ready to install finish
  • Valve pockets designed to work with most aftermarket cylinder heads
  • Offset pins for quiet operation
  • Moly skirt coating for friction loss and skirt wear protection
  • Top ring down dimension: .250"
  • Ratios figured for .040 head gasket
  • Premium 1.2mm x 1.2mm x 3.0mm ring package included
  • Premium 8620 .185W wrist pins included
  • Valve pocket depth: 0.178" intake and .108" exhaust
  • 2618 material for High HP-NOS-Boost applications

Forced pin oilers from the oil ring; Pin Fitted; Moly Coated Skirts; 3D Pockets; Pins, Lock's & Support Rails (if required) included

More From This Category

KB Piston, 4 in. Bore, For Chevrolet 350, Rod 6.000, Solid Dome -3.3cc 2V, .030 Oversized, w/ Rings, Each

KB Piston, 4 in. Bore, For Chevrolet 350, Rod 6.000, Solid Dome -3.3cc 2V, .030 Oversized, w/ Rings, Each

$1,025.42

KB Piston, 4.125 in. Bore, For Chevrolet 400, Rod 6.000, Solid Dome -3.3cc 2V, .060 Oversized, w/ Rings, Each

KB Piston, 4.125 in. Bore, For Chevrolet 400, Rod 6.000, Solid Dome -3.3cc 2V, .060 Oversized, w/ Rings, Each

$1,166.25

MANLEY Piston, Coated, 1.315 in. Compression Distance, 4.130 in. Bore Size, -11cc Dish, For Chevrolet LS, Each

MANLEY Piston, Coated, 1.315 in. Compression Distance, 4.130 in. Bore Size, -11cc Dish, For Chevrolet LS, Each

$236.53

ICON Piston, 3.917 in. Bore, 1.5mm, 1.5mm, 3.0mm Ring Grooves, For Chrysler 5.7 Hemi Rod 6.125 Dome -8.7cc V8, .010 Oversized, w/ Rings, Each

ICON Piston, 3.917 in. Bore, 1.5mm, 1.5mm, 3.0mm Ring Grooves, For Chrysler 5.7 Hemi Rod 6.125 Dome -8.7cc V8, .010 Oversized, w/ Rings, Each

$1,756.01

MANLEY Piston, 1.375 in. Compression Distance, 85 mm Bore Size, -2.5 Flat Top, For Mitsubishi Eclipse GS/GST, Set of 4

MANLEY Piston, 1.375 in. Compression Distance, 85 mm Bore Size, -2.5 Flat Top, For Mitsubishi Eclipse GS/GST, Set of 4

$1,429.40

ICON Piston, 4.125 in. Bore, 1/16, 1/16, 3/16 in. Ring Grooves, For Chevrolet 400 Rod 6.000 Step Dish +26.6cc 2V, .040 Oversized, w/ Rings, Each

ICON Piston, 4.125 in. Bore, 1/16, 1/16, 3/16 in. Ring Grooves, For Chevrolet 400 Rod 6.000 Step Dish +26.6cc 2V, .040 Oversized, w/ Rings, Each

$1,727.33