Piston Rings, Gas Nitrided, 4.030 in. Bore, 1.2mm, 1.2mm, 3.0mm Thickness, Single Piston, Set
Wiseco's GF-style piston ring sets have chrome plated, barrel-faced steel top rings. They're backed up by taper-faced, ductile iron second rings and 3-piece oil rings. The oil control rings have a stainless steel spacer and chrome plated rails. These are file-to-fit rings sets, so you can get exactly the end gap that you want.
The name Wiseco is synonymous with pistons. The company has been manufacturing pistons since 1941 and is renowned for producing high-quality pistons for off-road racing and riding. But that’s just part of the Wiseco story. The company also manufactures an entire lineup of products for high performance rotating assemblies. Wiseco crankshafts, connecting rods, pistons, and piston rings combine high strength with lightweight design, making them ideal for high-torque street machines and high-rpm race vehicles alike. Shop Wiseco at Elite Race Fab today!
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1958-1961,1969-1975 | Chevrolet | Bel Air | Base |
| 1958-1961,1969-1972 | Chevrolet | Biscayne | Base |
| 1960 | Chevrolet | Biscayne | Fleetmaster |
| 1969-1974,1994 | Chevrolet | Blazer | Base |
| 1992-1993 | Chevrolet | Blazer | Cheyenne |
| 1987 | Chevrolet | Blazer | Custom Deluxe |
| 1988-1991 | Chevrolet | Blazer | Scottsdale |
| 1987-1994 | Chevrolet | Blazer | Silverado |
| 1994 | Chevrolet | Blazer | Silverado Sport |
| 1958-1961,1969-1972 | Chevrolet | Brookwood | Base |
| 1978-1980 | Chevrolet | C10 | Big Ten |
| 1975-1981 | Chevrolet | C10 | Cheyenne |
| 1981-1986 | Chevrolet | C10 | Custom |
| 1975-1980 | Chevrolet | C10 | Custom Deluxe |
| 1981 | Chevrolet | C10 | Deluxe |
| 1975-1986 | Chevrolet | C10 | Scottsdale |
| 1975-1986 | Chevrolet | C10 | Silverado |
| 1960-1961,1969-1974 | Chevrolet | C10 Pickup | Base |
| 1969-1974 | Chevrolet | C10 Suburban | Base |
| 1981-1986 | Chevrolet | C10 Suburban | Custom |
| 1975-1980 | Chevrolet | C10 Suburban | Custom Deluxe |
| 1981 | Chevrolet | C10 Suburban | Deluxe |
| 1975-1980,1982,1984-1986 | Chevrolet | C10 Suburban | Scottsdale |
| 1975-1980,1982-1986 | Chevrolet | C10 Suburban | Silverado |
| 1992-1993 | Chevrolet | C1500 | 454 SS |
| 1994-1997 | Chevrolet | C1500 | Base |
| 1988-1998 | Chevrolet | C1500 | Cheyenne |
| 1999 | Chevrolet | C1500 | LS |
| 1988-1992 | Chevrolet | C1500 | Scottsdale |
| 1988-1998 | Chevrolet | C1500 | Silverado |
| 1990-1998 | Chevrolet | C1500 | WT |
| 1992-1999 | Chevrolet | C1500 Suburban | Base |
| 1995-1999 | Chevrolet | C1500 Suburban | LS |
| 1995-1997,1999 | Chevrolet | C1500 Suburban | LT |
| 1992-1994 | Chevrolet | C1500 Suburban | Silverado |
| 1975-1981 | Chevrolet | C20 | Cheyenne |
| 1981-1986 | Chevrolet | C20 | Custom |
| 1975-1980 | Chevrolet | C20 | Custom Deluxe |
| 1981 | Chevrolet | C20 | Deluxe |
| 1975-1986 | Chevrolet | C20 | Scottsdale |
| 1975-1986 | Chevrolet | C20 | Silverado |
| 1960-1961,1969-1974 | Chevrolet | C20 Pickup | Base |
| 1969-1974 | Chevrolet | C20 Suburban | Base |
| 1981-1986 | Chevrolet | C20 Suburban | Custom |
| 1975-1980 | Chevrolet | C20 Suburban | Custom Deluxe |
| 1981 | Chevrolet | C20 Suburban | Deluxe |
| 1975-1980,1982,1984-1986 | Chevrolet | C20 Suburban | Scottsdale |
| 1975-1977,1979-1980,1982-1986 | Chevrolet | C20 Suburban | Silverado |
| 1994-1997,1999-2000 | Chevrolet | C2500 | Base |
| 1988-1998 | Chevrolet | C2500 | Cheyenne |
| 1999-2000 | Chevrolet | C2500 | LS |
| 1988-1992 | Chevrolet | C2500 | Scottsdale |
| 1988-1998 | Chevrolet | C2500 | Silverado |
| 1994-1995,1998 | Chevrolet | C2500 | WT |
| 1992-1999 | Chevrolet | C2500 Suburban | Base |
| 1995-1999 | Chevrolet | C2500 Suburban | LS |
| 1995-1997 | Chevrolet | C2500 Suburban | LT |
| 1992-1994 | Chevrolet | C2500 Suburban | Silverado |
| 1975-1981 | Chevrolet | C30 | Cheyenne |
| 1981-1986 | Chevrolet | C30 | Custom |
| 1975-1980 | Chevrolet | C30 | Custom Deluxe |
| 1981 | Chevrolet | C30 | Deluxe |
| 1975-1986 | Chevrolet | C30 | Scottsdale |
| 1975-1986 | Chevrolet | C30 | Silverado |
| 1960-1961,1969-1974 | Chevrolet | C30 Pickup | Base |
| 1994-1997,1999-2000 | Chevrolet | C3500 | Base |
| 1988-1998 | Chevrolet | C3500 | Cheyenne |
| 1999-2000 | Chevrolet | C3500 | LS |
| 1988-1992 | Chevrolet | C3500 | Scottsdale |
| 1988-1998 | Chevrolet | C3500 | Silverado |
| 1969-1980 | Chevrolet | Camaro | Base |
| 1979-1981 | Chevrolet | Camaro | Berlinetta |
| 1993 | Chevrolet | Camaro | Indianapolis 500 Pace Car |
| 1987-1990 | Chevrolet | Camaro | Iroc-Z |
| 1973-1978 | Chevrolet | Camaro | LT |
| 1976-1978 | Chevrolet | Camaro | LT Rally Sport |
| 1976-1980 | Chevrolet | Camaro | Rally Sport |
| 1967,1969-1973,1975 | Chevrolet | Camaro | RS |
| 1981 | Chevrolet | Camaro | Sport |
| 1967-1972 | Chevrolet | Camaro | SS |
| 1970-1974,1977-1981,1991-2002 | Chevrolet | Camaro | Z28 |
| 1992 | Chevrolet | Camaro | Z28 Heritage Edition |
| 1969-1972,1986-1992 | Chevrolet | Caprice | Base |
| 1973-1985,1991-1994 | Chevrolet | Caprice | Classic |
| 1977-1978,1981-1982 | Chevrolet | Caprice | Classic Estate |
| 1976-1981 | Chevrolet | Caprice | Classic Landau |
| 1994 | Chevrolet | Caprice | Classic LS |
| 1991-1993 | Chevrolet | Caprice | Classic LTZ |
| 1975-1976,1979-1980 | Chevrolet | Caprice | Classic Sport |
| 1973-1974 | Chevrolet | Caprice | Estate |
| 1968 | Chevrolet | Chevelle | 300 |
| 1968-1969 | Chevrolet | Chevelle | 300 Deluxe |
| 1970-1972 | Chevrolet | Chevelle | Base |
| 1968-1972 | Chevrolet | Chevelle | Concours |
| 1969-1972 | Chevrolet | Chevelle | Concours Estate |
| 1973 | Chevrolet | Chevelle | Deluxe |
| 1969-1972 | Chevrolet | Chevelle | Greenbrier |
| 1968-1972 | Chevrolet | Chevelle | Malibu |
| 1968-1972 | Chevrolet | Chevelle | Nomad |
| 1968-1972 | Chevrolet | Chevelle | SS |
| 1968 | Chevrolet | Chevy II | Nova |
| 1988 | Chevrolet | Corvette | 35th Anniversary Edition |
| 1969-1974,1977-1982,1984-1992,1997-2004 | Chevrolet | Corvette | Base |
| 1982 | Chevrolet | Corvette | Collector's Edition |
| 1978,1986 | Chevrolet | Corvette | Indianapolis 500 Pace Car |
| 1978 | Chevrolet | Corvette | Silver Anniversary Edition |
| 1975-1976 | Chevrolet | Corvette | Stingray |
| 1990-1992 | Chevrolet | Corvette | ZR-1 |
| 1958 | Chevrolet | Del Ray | Base |
| 1969-1979,1983-1984 | Chevrolet | El Camino | Base |
| 1975-1977 | Chevrolet | El Camino | Classic |
| 1977-1978,1983-1984 | Chevrolet | El Camino | Conquista |
| 1969-1974 | Chevrolet | El Camino | Custom |
| 1979 | Chevrolet | El Camino | Royal Knight |
| 1971-1979,1983-1984 | Chevrolet | El Camino | SS |
| 1969-1970 | Chevrolet | Estate | Base |
| 1996-2002 | Chevrolet | Express 1500 | Base |
| 1996-2002 | Chevrolet | Express 1500 | LS |
| 2001-2002 | Chevrolet | Express 1500 | LT |
| 1996-2002 | Chevrolet | Express 2500 | Base |
| 1996-2002 | Chevrolet | Express 2500 | LS |
| 1996-2002 | Chevrolet | Express 3500 | Base |
| 1996-2002 | Chevrolet | Express 3500 | LS |
| 1987 | Chevrolet | G10 | Bonaventure |
| 1987-1993 | Chevrolet | G10 | Sportvan |
| 1987-1995 | Chevrolet | G20 | Beauville |
| 1987-1995 | Chevrolet | G20 | Chevy Van |
| 1987-1995 | Chevrolet | G20 | Sportvan |
| 1987-1996 | Chevrolet | G30 | Beauville |
| 1987-1996 | Chevrolet | G30 | Chevy Van |
| 1987-1996 | Chevrolet | G30 | Hi-Cube |
| 1987-1996 | Chevrolet | G30 | Sportvan |
| 1969-1985 | Chevrolet | Impala | Base |
| 1975-1977 | Chevrolet | Impala | Custom |
| 1976 | Chevrolet | Impala | Custom Landau |
| 1981-1982 | Chevrolet | Impala | Estate |
| 1977-1979 | Chevrolet | Impala | Landau |
| 1976 | Chevrolet | Impala | S |
| 1975-1976,1979-1980 | Chevrolet | Impala | Sport |
| 1994-1996 | Chevrolet | Impala | SS |
| 1994-1997 | Chevrolet | K1500 | Base |
| 1988-1998 | Chevrolet | K1500 | Cheyenne |
| 1999 | Chevrolet | K1500 | LS |
| 1988-1992 | Chevrolet | K1500 | Scottsdale |
| 1988-1998 | Chevrolet | K1500 | Silverado |
| 1991 | Chevrolet | K1500 | Sport |
| 1990-1998 | Chevrolet | K1500 | WT |
| 1992-1999 | Chevrolet | K1500 Suburban | Base |
| 1995-1999 | Chevrolet | K1500 Suburban | LS |
| 1995-1997,1999 | Chevrolet | K1500 Suburban | LT |
| 1992-1994 | Chevrolet | K1500 Suburban | Silverado |
| 1994-1997,1999-2000 | Chevrolet | K2500 | Base |
| 1988-1998 | Chevrolet | K2500 | Cheyenne |
| 1999-2000 | Chevrolet | K2500 | LS |
| 1988-1992 | Chevrolet | K2500 | Scottsdale |
| 1988-1998 | Chevrolet | K2500 | Silverado |
| 1994-1995,1998 | Chevrolet | K2500 | WT |
| 1992-1999 | Chevrolet | K2500 Suburban | Base |
| 1995-1999 | Chevrolet | K2500 Suburban | LS |
| 1995-1997 | Chevrolet | K2500 Suburban | LT |
| 1992-1994 | Chevrolet | K2500 Suburban | Silverado |
| 1994-1997,1999-2000 | Chevrolet | K3500 | Base |
| 1988-1998 | Chevrolet | K3500 | Cheyenne |
| 1999-2000 | Chevrolet | K3500 | LS |
| 1988-1992 | Chevrolet | K3500 | Scottsdale |
| 1988-1998 | Chevrolet | K3500 | Silverado |
| 1969-1972 | Chevrolet | Kingswood | Base |
| 1969-1972 | Chevrolet | Kingswood | Estate |
| 1973-1975 | Chevrolet | Laguna | Base |
| 1973 | Chevrolet | Laguna | Estate |
| 1975-1976 | Chevrolet | Laguna | S3 |
| 1973-1981 | Chevrolet | Malibu | Base |
| 1974-1979,1982-1983 | Chevrolet | Malibu | Classic |
| 1975-1976,1978-1979 | Chevrolet | Malibu | Classic Estate |
| 1976-1979 | Chevrolet | Malibu | Classic Landau |
| 1977,1979 | Chevrolet | Malibu | Classic Sport |
| 1973-1974,1979-1980 | Chevrolet | Malibu | Estate |
| 1976,1979 | Chevrolet | Malibu | Landau |
| 1979 | Chevrolet | Malibu | Police |
| 1977,1979-1980 | Chevrolet | Malibu | Sport |
| 1970-1974,1982-1984 | Chevrolet | Monte Carlo | Base |
| 1983 | Chevrolet | Monte Carlo | CL |
| 1973-1974,1976 | Chevrolet | Monte Carlo | Landau |
| 1973,1975-1977 | Chevrolet | Monte Carlo | S |
| 1983 | Chevrolet | Monte Carlo | SS |
| 1958-1961 | Chevrolet | Nomad | Base |
| 1969-1979 | Chevrolet | Nova | Base |
| 1976-1977 | Chevrolet | Nova | Concours |
| 1973-1975,1978-1979 | Chevrolet | Nova | Custom |
| 1975 | Chevrolet | Nova | LN |
| 1975-1978 | Chevrolet | Nova | Police |
| 1977-1979 | Chevrolet | Nova | Rally |
| 1976 | Chevrolet | Nova | SS |
| 1987-1989 | Chevrolet | P20 | Base |
| 1987-1989 | Chevrolet | P20 | Step-Van |
| 1987-1999 | Chevrolet | P30 | Base |
| 1987-1990 | Chevrolet | P30 | Step-Van |
| 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 |
| 1989-1991 | 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 |
| 1995-1999 | Chevrolet | Tahoe | Base |
| 2000 | Chevrolet | Tahoe | Limited |
| 1995-1999 | Chevrolet | Tahoe | LS |
| 1995-1999 | Chevrolet | Tahoe | LT |
| 2000 | Chevrolet | Tahoe | Z71 |
| 1969-1972 | Chevrolet | Townsman | Base |
| 1958,1960 | Chevrolet | Truck | Base |
| 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 |
| 1988-1993 | GMC | C1500 | Sierra |
| 1997 | GMC | C1500 | Sierra GT |
| 1994-1999 | GMC | C1500 | Sierra SL |
| 1988-1999 | GMC | C1500 | Sierra SLE |
| 1994-1999 | GMC | C1500 | Sierra SLT |
| 1988-1993 | GMC | C1500 | Sierra SLX |
| 1994-1998 | GMC | C1500 | Sierra Special |
| 1992-1999 | GMC | C1500 Suburban | Base |
| 1992-1999 | GMC | C1500 Suburban | SLE |
| 1995-1999 | GMC | C1500 Suburban | SLT |
| 1988-1993 | GMC | C2500 | Sierra |
| 1994-2000 | GMC | C2500 | Sierra SL |
| 1988-2000 | GMC | C2500 | Sierra SLE |
| 1994-2000 | GMC | C2500 | Sierra SLT |
| 1988-1993 | GMC | C2500 | Sierra SLX |
| 1992-1999 | GMC | C2500 Suburban | Base |
| 1992-1999 | GMC | C2500 Suburban | SLE |
| 1995-1999 | GMC | C2500 Suburban | SLT |
| 1988-1993 | GMC | C3500 | Sierra |
| 1994-2000 | GMC | C3500 | Sierra SL |
| 1988-2000 | GMC | C3500 | Sierra SLE |
| 1994-2000 | GMC | C3500 | Sierra SLT |
| 1988-1993 | GMC | C3500 | Sierra SLX |
| 1987-1993 | GMC | G1500 | Rally |
| 1987-1993 | GMC | G1500 | Rally STX |
| 1987-1995 | GMC | G2500 | Rally |
| 1987-1995 | GMC | G2500 | Rally STX |
| 1987-1995 | GMC | G2500 | Vandura |
| 1987-1996 | GMC | G3500 | Magnavan |
| 1987-1996 | GMC | G3500 | Rally |
| 1987-1996 | GMC | G3500 | Rally Camper Special |
| 1987-1988 | GMC | G3500 | Rally Custom |
| 1987-1996 | GMC | G3500 | Rally STX |
| 1987-1996 | GMC | G3500 | Vandura |
| 1987-1996 | GMC | G3500 | Vandura Special |
| 1987-1991 | GMC | Jimmy | Base |
| 1987-1990 | GMC | Jimmy | Sierra Classic |
| 1988-1993 | GMC | K1500 | Sierra |
| 1994-1999 | GMC | K1500 | Sierra SL |
| 1988-1999 | GMC | K1500 | Sierra SLE |
| 1995 | GMC | K1500 | Sierra SLS |
| 1994-1999 | GMC | K1500 | Sierra SLT |
| 1988-1993 | GMC | K1500 | Sierra SLX |
| 1994-1998 | GMC | K1500 | Sierra Special |
| 1993 | GMC | K1500 | Sierra Sport |
| 1992-1999 | GMC | K1500 Suburban | Base |
| 1992-1999 | GMC | K1500 Suburban | SLE |
| 1995-1999 | GMC | K1500 Suburban | SLT |
| 1988-1993 | GMC | K2500 | Sierra |
| 1994-2000 | GMC | K2500 | Sierra SL |
| 1988-2000 | GMC | K2500 | Sierra SLE |
| 1994-2000 | GMC | K2500 | Sierra SLT |
| 1988-1993 | GMC | K2500 | Sierra SLX |
| 1992-1999 | GMC | K2500 Suburban | Base |
| 1992-1999 | GMC | K2500 Suburban | SLE |
| 1995-1999 | GMC | K2500 Suburban | SLT |
| 1988-1993 | GMC | K3500 | Sierra |
| 1994-2000 | GMC | K3500 | Sierra SL |
| 1988-2000 | GMC | K3500 | Sierra SLE |
| 1994-2000 | GMC | K3500 | Sierra SLT |
| 1988-1993 | GMC | K3500 | Sierra SLX |
| 1987-1989 | GMC | P2500 | Base |
| 1987-1989 | GMC | P2500 | Value Van |
| 1987-1999 | GMC | P3500 | Base |
| 1987-1990 | GMC | P3500 | Value Van |
| 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 |
| 1992-1995 | GMC | Yukon | Base |
| 1999 | GMC | Yukon | Denali |
| 1993 | GMC | Yukon | GT |
| 1996-1997 | GMC | Yukon | SL |
| 1992-1999 | GMC | Yukon | SLE |
| 1995-1999 | GMC | Yukon | SLT |
| 1992,1994 | GMC | Yukon | Sport |
| 1998-2002 | Pontiac | Firebird | Formula |
| 2004 | Pontiac | GTO | Base |