16mm XTR Piston Fat Boys 2.7 w/ Bypass1, 6 Hole Shock Option Parts 1 and RC8B4 series nitro

1 and RC8B4 series nitro and ebuggy

2 – Motor

-4mm Offset

B7 shiny steel skinny bones not included

16mm XTR Piston Fat Boys 2.7 w/ Bypass1, 6 Hole Shock Option Parts 1 and RC8B4 series nitroSelect Pistons or Set with Hardware. 4 pcs 16mm XTR piston. Pistons are 6 hole, 4 each per bag. New for summer 2026 in 2. 7mm thick "Fat Boy" thickness for hot weather and big jumps. Pistons have "2. 7H" on the back side to denote the new thickness. The Schelle 16mm XTR piston lineup was developed in 2024 with Kurt Wenger's Schelle custom valving utilizing the proven MIP Bypass1 platform. The pistons, made in Covina, CA at MIP, are a custom spec