World Cylinder Head S/R SB Chevrolet (for 305 c.i.d.) 58cc chamber st 042650-1
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World Cylinder Head S/R SB Chevrolet (for 305 c.i.d.) 58cc chamber st
Notes: Cylinder Head S/R SB Chevrolet (for 305 c.i.d.) 58cc chamber straight plug hydraulic cam 1.250' (3000) spring assembly
World's S/R cylinder heads are the preferred alternative to expensive OEM castings or junkyard rebuilds. These heads are designed with extra-thick decks and walls for improved reliability as well as equipped with hardened steel exhaust seats that are compatible with today's unleaded gasolines. They are machined for screw-in rocker arm studs for extra durability. 58cc chamber is suited for 305 cubic inch SBC. S/R Cylinder heads are fully 50-state emissions legal and because they are an OEM replacement head, they are legal for use by many oval tracks and race Sanctioning organizations. WOR-042650-1 Specifications : Chamber Volume : 58cc Make : Chevrolet Material : Iron Notes : Suited for 305 CID SBC / For hydraulic flat tappet cams Runner Volume : 170cc Spark Plug : Straight Valve Head Diameter : 1.940/1.500 Valve Spring : 1.250