Water Neck Spacer - 1 In Thick - Two 3/8 In NPT Ports - 1/2 In NPT Gauge Port - O-RING - Billet Aluminum - Clear An...
CANTON  |  Part# CAN-80-116   More Details...

Water Neck Spacer - 1 In Thick - Two 6 An Female Ports - O-RING - Aluminum - Clear Anodize - Chevy V8 - Kit
PETERSON FLUID  |  Part# PTR-10-2251   More Details...

Water Neck Spacer - 1 In Thick - O-RING - Aluminum - Clear Anodize - Chevy V8 - Kit
PETERSON FLUID  |  Part# PTR-10-2250   More Details...

Water Neck Spacer - 1 In Thick - Two 3/8 In NPT Female Ports - O-RING Seal - Aluminum - Polished - Chevy V8 - Each
MEZIERE  |  Part# MEZ-WN0028U   More Details...

Water Neck Spacer - 1 In Thick - Two 3/8 In NPT Female Ports - O-RING Seal - Aluminum - Blue Anodize - Chevy V8 - E...
MEZIERE  |  Part# MEZ-WN0028S   More Details...

Water Neck Spacer - 1/4 In Thick - O-RING - Billet Aluminum - Natural - Chevy V6 / V8 - Kit
MOROSO  |  Part# MOR-63469   More Details...

Water Neck Spacer - 1 In Thick - Four 1/2 In NPT Female Ports - O-RING Seal - Aluminum - Black Anodize - Chevy V8 -...
ALLSTAR  |  Part# ALL-30375   More Details...

Water Neck Spacer - 1-1/8 In Thick - 6 An Female - Three 1/2 In NPT Female Ports - O-RING - Aluminum - Clear Anodiz...
JOES RACING PRODUCTS  |  Part# JOE-36025   More Details...

Water Neck Spacer - 1 In Thick - Two 3/8 In NPT Female Ports - Aluminum - Natural - Chevy V8 - Each
BRODIX  |  Part# BRO-MSWT-4WT   More Details...

Water Neck Spacer - 1-1/8 In Thick - Dual 3/8 In NPT Ports - Bypass Lines / Fitting - Aluminum - Natural - Chevy V8...
EDELBROCK  |  Part# EDE-8095   More Details...