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Vehicle Info NeededMARCH PERFORMANCEPART NUMBER: 655-BTH-305
BTH-305 Water Neck Thermostat Housing, Small Block Ford 289/302/351W, Billet, Straight, -16AN, Two-Piece, O-Ring, Clear Coat
$6695
Ships on 09/15/2026
Lowest Price GuaranteeWater Neck Thermostat HousingSmall Block Ford 289/302/351W Billet Straight -16AN Two-Piece O-Ring Each Clear Coat
March Performance BTH-305 Features:
Billet Thermostat Housings CNC Machined in the USA from 6061-T6 Aluminum Available in Polished, Black or Clear Coated. Includes Mounting Hardware and O-Ring for a Clean Seal
- Water Neck Style: Straight
- Swivel: No
- Number of Pieces: Two
- Material: Aluminum
- Color: Clearcoat
- Coating Type: Ceramic
- Sealing Style: O-Ring & Gasket
- Thermostat Included: No
- Mounting Hardware Included: Yes
- Heater Bypass Provision: Yes
- Quantity: Sold Individually
- Water Neck Outlet Size: -16 AN
Part TypeThermostat Housing
BrandMARCH PERFORMANCE
Package Height3.1
Package Width3.3
Package Length4.55
Weight0.79 PG
Mounting Hardware IncludedYes
Thermostat IncludedNo
Vendor Part NumberBTH-305
Package Qty1
Package TypeEA
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