The K20A2 and K20A3 share the same 2.0-liter K-series architecture, but their compression, VTEC hardware, output and performance potential are substantially different.
California’s SB 1069 lets experienced manufacturers seek conditional approval for tested aftermarket parts while CARB finishes its EO review. It does not legalize every modification.
Chase Briscoe edged Christopher Bell by 0.029 second at Charlotte after a final-corner clash. Tire struggles, traffic and racing-line choices shaped NASCAR’s closest Cup finish of 2026.