SBC BRODIX STS T1 233 CNG, SOLID HIP, 4060 VALVE SPRING.. COMPLETE ,FRESHENED WITH VALVES, TRIPLE SPRINGS, AND CROWER ROCKERS. WITH EXTRA SET CROWER ROCKERS DIFFERENT RATIO. EXTRA SPRINGS ALSO AND 3 SETS SMITH PUSH RODS DIFFERENT SIZES. POLISHED ALUMINUM COVERS WITH BREATHERS AND DAN OLSEN ZOOMIES... READY FOR RACE...