ALLSTAR PERFORMANCE Billet Water Neck Spacer ALL30375

ALLSTAR PERFORMANCE Water Neck Spacer - 1 in Thick - Four 1/2 in NPT Female Ports - O-Ring Seal - Aluminum - Black Anodized - Chevy V8 - Each.
SPACER HAS 4 1/2 NPT PORTS WITH PLUGS. REPLACEMENT PART ALL99353 BASE O-RING