TSP Bare Aluminum Heads LS1 LS2 LS6 15 Degree Cathedral Port 2.02"/1.600"  64CC sold each

15 DEGREE LS1/LS2/LS6 CATHEDRAL PORT 210CC INTAKE RUNNERS 2.00/1.600" VALVES

355-T6 HIGH DENSITY ALUMINUM MATERIAL

.500 OD BRONZE VALVE GUIDES

SPRING SEATS MACHINED TO 1.320"

SPARL PLUG 3/4" REACH TAPERED SEAT