Bullet Racing Cams announces the arrival of their new Retrofit Hydraulic Roller Lifters. These lifters compliment Bullet's renowned race winning custom ground CNC camshafts. The same expertise and craftsmanship found in Bullet Racing Cams is found in the new Bullet Retrofit Hydraulic Roller Lifters. In stock and ready to benefit both small block and big block Chevy owners and performance engine builders with dependable horsepower and torque; these new Bullet roller lifters will produce solid throttle response. The vertical locking bar design handles the extremes of racing's high RPMs. Engineered for the long haul, Bullet roller lifters are CNC machined with exacting precision and air gauged assuring consistent lifter performance. To further ensure reliable operation under the rigors of high engine RPMs the body, axle and bearing of each Bullet roller lifter is heat-treated. John Partridge states, " At Bullet Racing Cams we have succeeded in producing the most superior retrofit hydraulic roller tappet in the industry."