5.8L MODULAR 4V PISTONS 3.681" 22.3CC CR 9.5:1

Sale price $1,395.00

Part Number: 880LM

The L&M Difference - When Off the Shelf Won’t Make the Cut

Why settle for “Off the Shelf” products?

Here at L&M, we go above and beyond standard engine building design to offer specialized products that meet the highest performance requirements.

Put Desired Compression Ratio in notes during check out for Custom Compression


  • Ceramic coated tops for heat dissipation
  • Teflon coated and Reinforced skirts for friction reduction and strength
  • Hardened tool steel wrist pin for lifespan longevity
  • Built in, not cut out, valve pockets


  • Bore: 3.681"
  • C.D: 1.328
  • Pin:  .866" x 2.500" with .200" Wall
  • CC's: -22.3cc
  • Relief: .187" intake x .065" exhaust valve pockets
  • Crown: .300" down minimum
  • Skirt: .130" Minimum
  • CR: 9.5:1