Product Overview:
- Manufacturer: Russell Performance
- Product Name: Proclassic -6 AN Cap Fitting, Black
- Sealing Angle: 37 degrees for a secure seal under high pressures
- Material: Aluminum construction with black anodized finish for corrosion protection
Product Specifications:
- AN Size: -6 AN
- Color: Black
Manufacturer Part Number:
- Part Number: 661963
This fitting cap is designed to be used with -6 AN fittings and is particularly suitable for fuel systems, providing both functionality and corrosion resistance due to its aluminum construction and anodized coating.

Looking for an Affordable, In Stock, Plug and Play wiring harness for your LS Swap? PSI sells Standalone Wiring Harnesses for GM Gen II, III, IV, & V LS/LT based engines and transmissions. These harnesses include the Gen II LT1/LT4, Gen III (24x) LS1/LS6 and Vortec Truck Engines as well as Gen IV (58x) LS2, LS3, LS7, & Vortec and GEN V LT / ECOTEC3 Engines. All PSI Harnesses are Made in the USA. In addition to wiring harnesses, PSI carries Holley Products, Vintage Air A/C, Dakota Digital Gauges, HPTuners and PCM programming, Fuel Pump Kits, Engine Sensors, Extension Harnesses, Replacement GM connector pigtails and a complete line of hardware to complete your conversion needs!

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Russell 6AN Hose End Cap Fuel Fitting

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