Fits 2000-06 Yamaha YFM400 Big Bear 4x4 Slip-on system w/Sport Muffler AT-6409SP pcv-valves These are high quality nuts

These are high quality nuts with allen set screws to provide you with that positive lock needed for Race or original equipment Rocker Arms

Subtitle Federal / EPA Compliant Title OEM Grade Direct-Fit Type Direct-Fit Body Material Stainless Steel Overall Length (In

1L 6 1982 - 1984 Pontiac Bonneville Base 350/5

7L V8 1979 - 1986 GMC C3500 Base 454/7

Fits 2000-06 Yamaha YFM400 Big Bear 4x4 Slip-on system w/Sport Muffler AT-6409SP pcv-valves These are high quality nutsCLEAN LOOKS AND A PERFORMANCE SOUND MBRP SPORT SERIES, Quickly bolt on an MBRP Sport Series exhaust and enjoy the new deep tumble coming from your ATV or SXS. Slam the throttle for an aggressive sound, or cruise all day long without worrying about being obnoxious. This exhaust focuses on enjoying the trails and delivering a balanced tone.