Chrome-Moly Pushrods (Each) RP3218R SPRP3218R Suit BB Chev 7/16" X 9.256" (Exhaust); BB CHEV HARDENED MOLY 7/16 Manufactured from genuine 4140 chrome-moly tubing, these pushrods are ideal for most high performance street and moderate racing applications. Pushrods are available for a vast array of applications, using one and three piece designs to meet the needs of each engine. Each Pushrod is centerless ground, surface hardened where necessary for guide plate compatibility, and final checked for correct overall length and straightness. These pushrods deliver race quality features at a reasonable price, and are an excellent value for the engine builder looking for insurance against potential problems