Speed Pro Piston Rings - 4.155 in Bore - File Fit - 1/16 x 1/16 x 3/16 in Thick - Standard Tension SP115BK They feature a 1

They feature a 1

Positively locates itself on the main body of 4500 HP(R) style carburetors

ΓÇóBillet metering blocks with 4-corner idle system

) engines in passenger vehicles with a front sump oil pan only

Chevrolet: Caprice 66 - 67 4

Speed Pro Piston Rings - 4.155 in Bore - File Fit - 1/16 x 1/16 x 3/16 in Thick - Standard Tension SP115BK They feature a 1Speed Pro designs and engineers pistons to meet the most demanding street performance and racing conditions. In combination, we draw upon more than 100 years of Speed Pro engine mastery to enhance the piston ring and its seal. Our Speed Pro(R) brand is recognized for being a winner in every form of racing, and is the proven horsepower leader in oval track and drag racing. Hell Fire(R) Rings: Speed Pro Hell Fire rings, manufactured from a specially