SRP 10.5:1 Ls/Vtec Pistons

Posted by in Automotive | October 30, 2011

I recently received my pistons for the build.
I went with the SRP LS/VTEC Pistons, Part#149228.
4032 low expansion high silicon aluminum alloy heat treated to SRP specifications
Dome and dishes feature smooth flowing radii for excellent flame travel.
Thick ring lands for limited nitrous oxide/forced induction use on low compression pistons.
Valve pockets machined to accept oversized valves
1.0 x 1.2 x 2.8mm ring widths.
.827 x 2.250 straight wall carbon steel wrist pin provided.
Pin fitting and spiro locks included


  • Bore: 81.5
  • Oversize: .50
  • Stroke: 87.2mm
  • Rod: 138mm
  • C/D: 30mm
  • Head CC’s: 42.7
  • C/R w/ 0.040 Deck: 10.5:1
  • Dome CC: 2.8
  • Grams: 288g


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