Valve Spring Seat Cups; 1.565 .640 Steel
1.565 .640 Steel Valve Spring Seat Cups Howards™ valve spring cups are made from specially hardened chrome moly steel and finished in a rich black oxide for maximum durability. Spring cups will prevent unwanted valve spring movement and galling of the cylinder heads. Machining may be required. .060†thick.
1.565 .640 Steel Valve Spring Seat Cups Howards™ valve spring cups are made from specially hardened chrome moly steel and finished in a rich black oxide for maximum durability. Spring cups will prevent unwanted valve spring movement and galling of the cylinder heads. Machining may be required. .060†thick.