Billet Aluminum Filler Neck and Bypass Kit Small Block Chevy

Name: Billet Aluminum Filler Neck and Bypass Kit Small Block Chevy
Brand: MOROSO
SKU: 710-63421K
Price: 165.90 USD
Availability: InStock

^$165⁹⁰

Ships on Nov 03, 2026

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Billet Aluminum

Small Block Chevy
Bolt-On
-6AN Bypass Line
Anodized Black

Kit Includes:
Moroso Filler Neck
2-Jegs 45° Black 1/4' to -6AN Flare Fittings - 555-110124
2-Jegs Straight Black 1/4' to -6AN Flare Fittings - 555-110104
4-Jegs Straight Black -6AN Hose Ends - 555-110001
1-Jegs Pro-Flo 350 3' Black -6AN Hose - 555-110910

Fits: Brodix -8, -8PRO, -10, -10RI, -10X, -11, -11X, -12, 12X12, -15, -16, -18C, -18X and GB2000 Heads. Also fits Edelbrock Victor Pro-Port 15°, 18° and 23° heads. Will not fit Victor Jr. 23° heads.

Custom Aluminum Filler Necks

Moroso offers a variety of Radiator Filler Necks to fit nearly any application. These filler necks can provide various mounting options for custom routing of coolant hoses and lines. Available in different aluminum versions and configurations to fit your application needs.

Part TypeThermostat Housing and Filler Neck Kit

Product LineMoroso Radiator Filler Necks

BrandMOROSO

Part CategoryPerformance Parts

Part FitmentSemi Universal

Vendor Part Number63421K

Package Qty1

Package TypeEA

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Some parts are not legal for use in California or other states with similar laws / regulations

Billet Aluminum Filler Neck and Bypass Kit Small Block Chevy

Custom Aluminum Filler Necks

Items You Need

Blue RTV, Temperature Resistant up to 500 degrees [3 oz. Tube]

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Blue RTV, Temperature Resistant up to 500 degrees [3 oz. Tube]

Part Number : 555-28030

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