Performance package, handling

Years 1963–79, 1985–92, 1996–09, 2014–27 Models 10 Factory citations 40

Also described as Spirit of America packagesSpirit of America package"Spirit of America" packagePerformance handling packageZ51 Performance Package

Documented applications

Impala / Full-Size

1963–70s (varies) Confirmed

Included special red, white and blue trim, stripes, and interior-Available on Nova, Impala and Vega

Nova / Chevy II

1974 Factory-verified

GM Heritage factory kit — 1974 Chevrolet Nova, p.55.

Vega / Monza

1974 Confirmed

white/red/blue limited edition hatchback; also offered on Nova and Impala

Beretta — L-body (1987–1996)

1988 Factory-verified

available only with Z21; the 1988 stabilizer table names it too

GM Heritage factory kit — 1988 Chevrolet Beretta, p.35.

Cavalier — second generation (1988–1994)

1991–1992 Factory-verified

includes P195/70R14 blackwall tires, level II sport suspension and a gauge package with tachometer; required with the V6 on the RS wagon

GM Heritage factory kit — 1991 Chevrolet Cavalier, p.15.
GM Heritage factory kit — 1992 Chevrolet Cavalier, p.17.

Corvette — C4 (1984–1996)

1985–1990, 1996 Factory-verified

1985 options page (p.43): QZD tires, Bilstein shocks, fast-ratio steering and heavy-duty cooling; 1989 order guide (p.32): requires MN6, includes the special suspension, KC4, B4P and V01; 1996 coupe only, with MX0 requires G92 (p.38); the 1984 pages print the package as 251 (order guide p.20, weight page p.49) and name Z51 only inside other lines (specification p.36), so 1984 is not claimed; no 1991–1995 page read prints it (Z07 instead)

GM Heritage factory kit — 1985 Chevrolet Corvette, p.43.
GM Heritage factory kit — 1986 Chevrolet Corvette, p.50.
GM Heritage factory kit — 1987 Chevrolet Corvette, p.68.
GM Heritage factory kit — 1988 Chevrolet Corvette, p.32.
GM Heritage factory kit — 1989 Chevrolet Corvette, p.22.
GM Heritage factory kit — 1990 Chevrolet Corvette, p.31.
GM Heritage factory kit — 1996 Chevrolet Corvette, p.38.

Corvette — C5 (1997–2004)

1997–2004 Factory-verified

1998–1999 order guides: not available with F45

GM factory document — 1997 chevrolet corvette rpo code list, p.1.
GM factory document — 1998 chevrolet corvette rpo code list, p.1.
GM factory document — 1999 chevrolet corvette rpo code list, p.1.
GM factory document — 2000 chevrolet corvette rpo code list, p.1.
GM factory document — 2001 chevrolet corvette rpo code list, p.1.
GM factory document — 2002 chevrolet corvette rpo code list, p.1.
GM factory document — 2003 chevrolet corvette rpo code list, p.1.
GM factory document — 2004 chevrolet corvette rpo code list, p.1.
GM Heritage factory kit — 1998 Chevrolet Corvette, p.8.
GM Heritage factory kit — 1999 Chevrolet Corvette, p.16.

Corvette — C6 (2005–2013)

2005–2009 Factory-verified

The 2005 order guide says it is not available with F55 (HK p.99).

GM factory document — 2005 chevrolet corvette rpo code list, p.1.
GM factory document — 2006 chevrolet corvette rpo code list, p.1.
GM factory document — 2007 chevrolet corvette rpo code list, p.1.
GM factory document — 2008 chevrolet corvette rpo code list, p.1.
GM factory document — 2009 chevrolet corvette rpo code list, p.1.
GM Heritage factory kit — 2006 Chevrolet Corvette, p.27.

Corvette — C7 (2014–2019)

2014–2019 Factory-verified

only in: Stingray with Z51; all trims: S; brakes, dry sump, eLSD, cooling, suspension and aero; makes model 1YX07/1YX67; 2019: from GM order-guide copies (Corvette Action Center, GM Authority)

GM factory document — 2014 chevrolet corvette stingray fleet order guide wayback, p.1.
GM factory document — 2015 chevrolet corvette fleet order guide wayback, p.13.
GM factory document — 2016 chevrolet corvette fleet order guide wayback, p.1.
GM factory document — 2017 chevrolet corvette fleet order guide wayback, p.1.
GM factory document — 2018 chevrolet corvette fleet order guide wayback, p.1.

Corvette — C8 (2020–2027)

2020–2027 Factory-verified

only in: Stingray

GM factory document — 2020 chevrolet corvette stingray order guide copy corvetteblogger, p.42.
GM factory document — 2021 chevrolet corvette fleet order guide wayback, p.1.
GM factory document — 2022 chevrolet corvette stingray order guide copy corvetteblogger, p.54.
GM factory document — 2023 chevrolet corvette stingray z06 order guide copy corvetteblogger, p.98.
GM factory document — 2024 chevrolet corvette stingray z06 e ray order guide copy corvetteblogger, p.155.
GM factory document — 2025 chevrolet corvette fleet order guide rpo codes, p.1.
GM factory document — 2026 chevrolet corvette fleet order guide rpo codes, p.1.
GM factory document — 2027 chevrolet corvette fleet order guide rpo codes, p.3.

This page aggregates every documented appearance of Z51 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.