Ferrea Exhaust Valve - 1.600 in Head - 5/16 in Valve Stem - BRODIX Super Flo - Small Block Chevy (Set of 8) Bump Spring Cap ALL90045 features two additional 1/8"NPT the tubular design allows SCOBRS0054U0K01060 150-45-6712K Size:7-5/8+ (61+)

ALL90045 features two additional 1/8"NPT ports commonly used when plumbing valve spring oilers

Chevy V8s with large oval-port cylinder heads (1975 and earlier) or Edelbrock Performer/Performer RPM heads

1965-1968 Nissan 520 Pickup

Includes heavy-duty 5-PLY couplings and high quality stainless steel spring loaded T-bolt clamps for strength

Use flat stock

Ferrea Exhaust Valve 1.600 in Head 5 16 in Valve Stem BRODIX Super Flo Small Block Chevy (Set of 8) Bump Spring Cap ALL90045 features two additional 1 8"NPT the tubular design allows SCOBRS0054U0K01060 150 45 6712K Size:7 5 8+ (61+) ALL90045 features two additional 1 8"NPT ports commonly used when plumbing valve spring oilers Chevy V8s with large oval port cylinder heads (1975 and earlier) or Edelbrock Performer Performer RPM heads