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90mm Bore
•2618-T61 Low Silicon Forged Aluminum
•Lightweight wrist pin
•Lightweight piston design
•Full floating wrist pin
•Narrow piston ring design for low ring drag
•Low drag skirt design
•Design specific valve reliefs
•.150" Pop-Up Dome
Features Anti Detonation Grooves (Contact Reduction Grooves), which are grooves that protect the top ring by disrupting detonation waves. Also know as contact reduction grooves, these grooves limit the piston/cylinder contact during high temperature and RPM.
Also includes an Accumulator Groove, which is a V shaped groove machined in the 2nd ring land to collect excess blow-by between the top and second ring. This groove collects residual gasses during combustion and alleviates top ring flutter while increasing ring seal.
Specific pin oilers for direct oiling of the pin to eliminate galling
Pins are made out of 8620 material and fully fitted to the piston pin bore
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Note: All prices in US Dollars