Earl's Performance Inner Support Spring for -12 AN Size Pro-Lite 350 hose, 4 feet Long 773412ERL 2012-chevrolet-impala-esi4109303 1997-1998 Ford F-250 Base 1987-1992

1997-1998 Ford F-250 Base 1987-1992 Ford F-250 Custom 1995-1996 Ford F-250 Eddie Bauer 1997-1998 Ford F-250 Lariat 1995-1996 Ford F-250 Special 1985-1998 Ford F-250 XL 1993-1998 Ford F-250 XLT 1985-1992 Ford F-250 XLT Lariat 1999 Ford F-250 Super Duty Lariat 1999 Ford F-250 Super Duty XL 1999 Ford F-250 Super Duty XLT 1985-1986

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This allows them to fully open at correct temperature consistently regardless of engine RPM

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typical after a crank regrind

Earl's Performance Inner Support Spring for -12 AN Size Pro-Lite 350 hose, 4 feet Long 773412ERL 2012-chevrolet-impala-esi4109303 1997-1998 Ford F-250 Base 1987-1992Earl's inner support springs are designed for use with the Earl's Pro Lite 350 hose system. A support spring is recommended for suction applications or when very tight bends must be made. Earl's Performance Inner Support Spring for 12 AN Size Pro Lite 350 hose, 4 feet Long 773412ERL Specifications: Brand Earl's Category Belts and Cooling Compatible Hose Pro Lite 350 Emission Code 5 Hose Length 4 Feet Hose Size 12 AN 10 Stainless Steel part type