BOLD MAGENTA part numbers are new for 2027 DRIVETRAIN PARTS-UNLIMITED.COM SNOW | 2027 DRIVETRAIN 399 SIZE (TOP WIDTH X OC) DAYCO PART # PART # 1.299” x 42.625” XTX5052 1142-0989 1.398” x 44.250” XTX5058 1142-0990 1.415” x 44.500” XTX5033 1142-0384 1.431” x 43.673” XTX5019 1142-0378 1.440” x 47.519” XTX5046 1142-0467 1.460” x 46.770” XTX5020 1142-0379 1.485” x 43.933” XTX5024 1142-0380 1.453” x 46.000” XTX5032 1142-0383 1.535” x 44.000” XTX5034 1142-0385 SIZE (TOP WIDTH X OC) DAYCO PART # PART # 1.446” x 46.625” XTX5067 1142-0975 1.448” x 44.250” XTX5048 1142-0469 1.448” x 44.625” XTX5059 1142-0991 1.448” x 46.378” XTX5044 1142-0465 1.460” x 45.250” XTX5054 1142-0532 1.468” x 44.875” XTX5063 1142-0884 1.510” x 48.500” XTX5061 1142-0888 1.515” x 45.00” XTX5068 1142-0993 XTX (EXTREME TORQUE) BELTS •Designed to maximize the performance of high-horsepower engines •Manufactured from specially formulated high-temperature polymer compound and designed with deeper cogs on top and rounded cogs on the bottom •Faster and more consistent throttle response; higher speeds and quicker throttle response at mid-speed acceleration •Greater secondary acceleration at high rpm and as primary acceleration increases •Reduction in slippage during the highest levels of torque •Tested and proven to be reliable at well over 12,000 rpm •Operates at a cooler running temperature •Offers better performance during deceleration (more responsive engine braking) •Provides more power to track •See pages 400-411 for fitments SIZE (TOP WIDTH X OC) DAYCO PART # PART # 1.460” x 45.250” RPX5054 1142-0871 SIZE (TOP WIDTH X OC) DAYCO PART # PART # 1.535” x 44.000” RPX5034 1142-0882 RPX™ RACE PERFORMANCE BELTS •Designed to maximize the performance under the most extreme racing conditions •Manufactured from specially blended polymer compound which allows for quicker upshifts and downshifts •High-twist aramid cord provides increased strength under tension •Engineered design and re-formed cogs maximize flexibility which delivers consistent performance •See pages 400-411 for fitments 1142-0882 1142-0379
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