The High Flo runners work with the High-Flo baseplate and either stock or ported stock baseplates. Match with aftermaerket heads and high-performance cam. Compatible with stock fitings and emissions related equipment. No changes to the stock computer required.

This Part Fits:

Year	Make	Model	Submodel
1991	Buick	Commercial Chassis	Base
1991	Buick	Roadmaster	Estate Wagon
1990-1991	Cadillac	Brougham	Base
1990-1991	Cadillac	Brougham	d'Elegance
1987	Chevrolet	Blazer	Custom Deluxe
1988-1991	Chevrolet	Blazer	Scottsdale
1987-1991	Chevrolet	Blazer	Silverado
1988-1991	Chevrolet	C1500	Cheyenne
1988-1991	Chevrolet	C1500	Scottsdale
1988-1991	Chevrolet	C1500	Silverado
1990-1991	Chevrolet	C1500	WT
1988-1991	Chevrolet	C2500	Cheyenne
1988-1991	Chevrolet	C2500	Scottsdale
1988-1991	Chevrolet	C2500	Silverado
1988-1991	Chevrolet	C3500	Cheyenne
1988-1991	Chevrolet	C3500	Scottsdale
1988-1991	Chevrolet	C3500	Silverado
1988	Chevrolet	Camaro	Base
1985-1990	Chevrolet	Camaro	Iroc-Z
1989-1991	Chevrolet	Camaro	RS
1985-1987,1991	Chevrolet	Camaro	Z28
1989-1991	Chevrolet	Caprice	Base
1989-1991	Chevrolet	Caprice	Classic
1989-1990	Chevrolet	Caprice	Classic Brougham
1989-1990	Chevrolet	Caprice	Classic LS Brougham
1991	Chevrolet	Caprice	Classic LTZ
1991	Chevrolet	Commercial Chassis	Base
1988	Chevrolet	Corvette	35th Anniversary Edition
1985-1991	Chevrolet	Corvette	Base
1986	Chevrolet	Corvette	Indianapolis 500 Pace Car
1990-1991	Chevrolet	Corvette	ZR-1
1987-1991	Chevrolet	G10	Beauville
1987	Chevrolet	G10	Bonaventure
1987-1991	Chevrolet	G10	Chevy Van
1987-1991	Chevrolet	G10	Sportvan
1987-1991	Chevrolet	G20	Beauville
1987-1991	Chevrolet	G20	Chevy Van
1987-1991	Chevrolet	G20	Sportvan
1987-1991	Chevrolet	G30	Beauville
1987-1991	Chevrolet	G30	Chevy Van
1987-1991	Chevrolet	G30	Hi-Cube
1987-1991	Chevrolet	G30	Sportvan
1988-1991	Chevrolet	K1500	Cheyenne
1988-1991	Chevrolet	K1500	Scottsdale
1988-1991	Chevrolet	K1500	Silverado
1991	Chevrolet	K1500	Sport
1990-1991	Chevrolet	K1500	WT
1988-1991	Chevrolet	K2500	Cheyenne
1988-1991	Chevrolet	K2500	Scottsdale
1988-1991	Chevrolet	K2500	Silverado
1988-1991	Chevrolet	K3500	Cheyenne
1988-1991	Chevrolet	K3500	Scottsdale
1988-1991	Chevrolet	K3500	Silverado
1987	Chevrolet	R10	Custom Deluxe
1987	Chevrolet	R10	Scottsdale
1987	Chevrolet	R10	Silverado
1987	Chevrolet	R10 Suburban	Custom Deluxe
1987-1988	Chevrolet	R10 Suburban	Scottsdale
1987-1988	Chevrolet	R10 Suburban	Silverado
1989-1991	Chevrolet	R1500 Suburban	Scottsdale
1989-1991	Chevrolet	R1500 Suburban	Silverado
1988	Chevrolet	R20	Cheyenne
1987-1988	Chevrolet	R20	Custom Deluxe
1987-1988	Chevrolet	R20	Scottsdale
1987-1988	Chevrolet	R20	Silverado
1987	Chevrolet	R20 Suburban	Custom Deluxe
1987-1988	Chevrolet	R20 Suburban	Scottsdale
1987-1988	Chevrolet	R20 Suburban	Silverado
1989	Chevrolet	R2500	Silverado
1989-1991	Chevrolet	R2500 Suburban	Scottsdale
1989-1991	Chevrolet	R2500 Suburban	Silverado
1988	Chevrolet	R30	Cheyenne
1987-1988	Chevrolet	R30	Custom Deluxe
1987-1988	Chevrolet	R30	Scottsdale
1987-1988	Chevrolet	R30	Silverado
1989-1991	Chevrolet	R3500	Cheyenne
1989-1990	Chevrolet	R3500	Scottsdale
1989-1991	Chevrolet	R3500	Silverado
1987	Chevrolet	V10	Custom Deluxe
1987	Chevrolet	V10	Scottsdale
1987	Chevrolet	V10	Silverado
1987	Chevrolet	V10 Suburban	Custom Deluxe
1987-1988	Chevrolet	V10 Suburban	Scottsdale
1987-1988	Chevrolet	V10 Suburban	Silverado
1989-1991	Chevrolet	V1500 Suburban	Scottsdale
1989-1991	Chevrolet	V1500 Suburban	Silverado
1987	Chevrolet	V20	Custom Deluxe
1987	Chevrolet	V20	Scottsdale
1987	Chevrolet	V20	Silverado
1987	Chevrolet	V20 Suburban	Custom Deluxe
1987-1988	Chevrolet	V20 Suburban	Scottsdale
1987-1988	Chevrolet	V20 Suburban	Silverado
1989-1991	Chevrolet	V2500 Suburban	Scottsdale
1989-1991	Chevrolet	V2500 Suburban	Silverado
1988	Chevrolet	V30	Cheyenne
1987-1988	Chevrolet	V30	Custom Deluxe
1987-1988	Chevrolet	V30	Scottsdale
1987-1988	Chevrolet	V30	Silverado
1989-1991	Chevrolet	V3500	Cheyenne
1989-1990	Chevrolet	V3500	Scottsdale
1989-1991	Chevrolet	V3500	Silverado
1988-1991	GMC	C1500	Sierra
1988-1991	GMC	C1500	Sierra SLE
1988-1991	GMC	C1500	Sierra SLX
1988-1991	GMC	C2500	Sierra
1988-1991	GMC	C2500	Sierra SLE
1988-1991	GMC	C2500	Sierra SLX
1988-1991	GMC	C3500	Sierra
1988-1991	GMC	C3500	Sierra SLE
1988-1991	GMC	C3500	Sierra SLX
1987-1991	GMC	G1500	Rally
1987-1991	GMC	G1500	Rally STX
1987-1991	GMC	G1500	Vandura
1987-1991	GMC	G2500	Rally
1987-1991	GMC	G2500	Rally STX
1987-1991	GMC	G2500	Vandura
1987-1991	GMC	G3500	Magnavan
1987-1991	GMC	G3500	Rally
1987-1991	GMC	G3500	Rally Camper Special
1987-1991	GMC	G3500	Rally STX
1987-1991	GMC	G3500	Vandura
1987-1991	GMC	G3500	Vandura Special
1987-1991	GMC	Jimmy	Base
1987-1990	GMC	Jimmy	Sierra Classic
1988-1991	GMC	K1500	Sierra
1988-1991	GMC	K1500	Sierra SLE
1988-1991	GMC	K1500	Sierra SLX
1988-1991	GMC	K2500	Sierra
1988-1991	GMC	K2500	Sierra SLE
1988-1991	GMC	K2500	Sierra SLX
1988-1991	GMC	K3500	Sierra
1988-1991	GMC	K3500	Sierra SLE
1988-1991	GMC	K3500	Sierra SLX
1987	GMC	R1500	Base
1987	GMC	R1500	High Sierra
1987	GMC	R1500	Sierra Classic
1987-1991	GMC	R1500 Suburban	Base
1987	GMC	R1500 Suburban	High Sierra
1987-1989	GMC	R1500 Suburban	Sierra Classic
1990	GMC	R1500 Suburban	SLE
1987-1989	GMC	R2500	Base
1987-1989	GMC	R2500	High Sierra
1987-1989	GMC	R2500	Sierra Classic
1987-1991	GMC	R2500 Suburban	Base
1987	GMC	R2500 Suburban	High Sierra
1987-1989	GMC	R2500 Suburban	Sierra Classic
1990	GMC	R2500 Suburban	SLE
1987-1991	GMC	R3500	Base
1987-1989	GMC	R3500	High Sierra
1987-1989	GMC	R3500	Sierra Classic
1990-1991	GMC	R3500	SLE
1987	GMC	V1500	Base
1987	GMC	V1500	High Sierra
1987	GMC	V1500	Sierra Classic
1987-1991	GMC	V1500 Suburban	Base
1987	GMC	V1500 Suburban	High Sierra
1987-1989	GMC	V1500 Suburban	Sierra Classic
1990	GMC	V1500 Suburban	SLE
1987	GMC	V2500	Base
1987	GMC	V2500	High Sierra
1987	GMC	V2500	Sierra Classic
1987-1991	GMC	V2500 Suburban	Base
1987	GMC	V2500 Suburban	High Sierra
1987-1989	GMC	V2500 Suburban	Sierra Classic
1990	GMC	V2500 Suburban	SLE
1987-1991	GMC	V3500	Base
1987-1989	GMC	V3500	High Sierra
1987-1989	GMC	V3500	Sierra Classic
1990-1991	GMC	V3500	SLE
1991	Oldsmobile	Custom Cruiser	Base
1987-1991	Pontiac	Firebird	Base
1989-1991	Pontiac	Firebird	Formula
1985-1991	Pontiac	Firebird	Trans Am
1989-1991	Pontiac	Firebird	Trans Am GTA