.810" X 12.19" O.D. INBOARD ROTOR8 X 7.00" BOLT CIRCLESTRAIGHT VANESWEIGHS 8.9 LBS.HIGH-TECH RACING DESIGNLIGHTWEIGHT STEEL CONSTRUCTIONPRECISION MACHINEDULTRA-LIGHT UL STRAIGHT VANE ROTORS PROVIDE HIGH VALUE PERFORMANCE AND RUGGED DURABILITY FOR A WIDE RANGE OF COMPETITION, HIGH PERFORMANCE, AND SPORT DRIVING APPLICATIONSDO NOT CONFUSE THESE ROTORS WITH BARGAIN PRICED OFF-BRAND NAMED PARTSWILWOODS MODERN MANUFACTURING CAPABILITY, COMBINED WITH LARGE SCALE ECONOMIES, MAKE IT POSSIBLE TO OFFER THIS LEVEL OF QUALITY AND PERFORMANCE AT SUCH AN AFFORDABLE PRICEEVERY WILWOOD ROTOR IS CAST FROM PREMIUM GRADE, LONG GRAIN CARBON IRONTHIS MATERIAL EXHIBITS LONG WEAR, HIGH THERMAL STABILITY, AND EXCELLENT RESISTANCE TO DISTORTION IN HIGH HEATMODERN FOUNDRY AND MACHINING TECHNIQUES HOLD CLOSE TOLERANCES ON FACE AND VANE THICKNESSCOMBINING THE CORRECT FACE THICKNESS WITH A 32 VANE CASTING PROVIDES SUPERIOR HEAT MANAGEMENT AND LONG SERVICE LIFE WITH LOW ROTATING AND UNSPRUNG WEIGHTTHE STRAIGHT VANE DESIGN ALSO MAKES IT POSSIBLE TO USE THE SAME ROTOR ON LEFT OR RIGHT HAND MOUNTING LOCATIONSUL SERIES ROTORS ARE PRODUCTION MACHINED AND WILL PROVIDE EXCELLENT SERVICE FOR MANY APPLICATIONS