For LS heads with PSI springs and CHE shoulder style bronze guides
Spring seats for Katech Track Attack spec LS7 cylinder heads. For use with:
CHE-500-314-210-E7B shoulder design valve guide
PSI-LS1511 spring
KAT-4678 retainer
GMP-12533586 intake valve seal
GMP-12457652 exhaust valve seal
OR KAT-7481 Valve Seals
SOLD INDIVIDUALLY - 16 REQUIRED
