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