# QA1 GM Pro Front Coil-Over System - MOD Series - 11in x 250lbs/in - Flat Large - Aluminum soft or firm compression and rebound valve packs also available. Once the desired valving is in place, the unique double adjustable design, with adjustable low-speed bleed, allows for fully independent control over the compression and rebound characteristics. With all these adjustability options, the MOD Series shock achieves an expansive force curve capability and an unprecedented level of tunability. The shock also features mounting adjustability to accommodate a variety of vehicles and mounting configurations. The nitrogen-charged canister is available in a piggyback or remote configuration for ease of installation in tight areas, and the base eyelet is indexable, so you can unbolt it and reattach it at the angle you need for the best shock and canister placement. Like all QA1 shocks, the MOD Series shock is 100% dyno tested and serialized and proudly made in QA1's Lakeville, Minnesota facility. - Valve packs shock can quickly and easily be revalved without interrupting the oil path or opening the shock up for debris and air contamination - QuickTune Technology: dry modular valve packs that can easily be swapped out - Remote or piggyback canister mounting options - 4-way adjustable high and low speed bleed - 100% dyno tested and serialized - Made in the USA This Part Fits: Year Make Model Submodel 1975 Buick Apollo Base 1975 Buick Apollo SR 1973-1977 Buick Century Base 1975-1977 Buick Century Custom 1976 Buick Century Indianapolis 500 Pace Car 1973-1975 Buick Century Luxus 1975-1977 Buick Century Special 1973-1987 Buick Regal Base 1988 Buick Regal Custom 1982-1983 Buick Regal Estate Wagon 1987 Buick Regal GNX 1984-1987 Buick Regal Grand National 1978-1988 Buick Regal Limited 1982 Buick Regal Limited Turbo 1978-1982 Buick Regal Sport 1976-1977 Buick Regal SR 1983-1986 Buick Regal T-Type 1975-1979 Buick Skylark Base 1978-1979 Buick Skylark Custom 1976-1979 Buick Skylark S 1978 Buick Skylark Sport 1975-1977 Buick Skylark SR 1973 Chevrolet Chevelle Deluxe 1973-1987 Chevrolet El Camino Base 1975-1977 Chevrolet El Camino Classic 1977-1978,1981-1986 Chevrolet El Camino Conquista 1973-1974 Chevrolet El Camino Custom 1979-1981 Chevrolet El Camino Royal Knight 1973-1987 Chevrolet El Camino SS 1978-1981 Chevrolet Malibu Base 1978-1982 Chevrolet Malibu Classic 1978-1980 Chevrolet Malibu Classic Estate 1978-1981 Chevrolet Malibu Classic Landau 1979-1980 Chevrolet Malibu Classic Sport 1979-1980 Chevrolet Malibu Estate 1979 Chevrolet Malibu Landau 1979 Chevrolet Malibu Police 1979-1980 Chevrolet Malibu Sport 1973-1974,1979,1981-1988 Chevrolet Monte Carlo Base 1983 Chevrolet Monte Carlo CL 1973-1974,1976,1978-1981 Chevrolet Monte Carlo Landau 1986-1988 Chevrolet Monte Carlo LS 1973,1975-1977 Chevrolet Monte Carlo S 1978,1980 Chevrolet Monte Carlo Sport 1983-1988 Chevrolet Monte Carlo SS 1975-1979 Chevrolet Nova Base 1976-1977 Chevrolet Nova Concours 1975,1978-1979 Chevrolet Nova Custom 1975 Chevrolet Nova LN 1975-1978 Chevrolet Nova Police 1977-1979 Chevrolet Nova Rally 1976 Chevrolet Nova SS 1991 Chevrolet S10 Baja 1982-2003 Chevrolet S10 Base 1982-1990 Chevrolet S10 Durango 1992-1993 Chevrolet S10 EL 1994-2004 Chevrolet S10 LS 1982-1989 Chevrolet S10 Sport 1994-1998 Chevrolet S10 SS 1982-1992 Chevrolet S10 Tahoe 1999-2003 Chevrolet S10 Xtreme 1994-2003 Chevrolet S10 ZR2 2002-2004 Chevrolet S10 ZR5 1981-1986 GMC Caballero Amarillo 1981-1987 GMC Caballero Base 1981 GMC Caballero Conquista 1981-1987 GMC Caballero Diablo 1981 GMC Caballero Royal Knight 1982-1990 GMC S15 Base 1987 GMC S15 EL 1983,1986-1988 GMC S15 Gypsy 1982-1990 GMC S15 High Sierra 1982-1990 GMC S15 Sierra Classic 1982 GMC S15 Sierra Grande 1991-1993 GMC Sonoma Base 1992 GMC Sonoma GT 1994-2004 GMC Sonoma SL 1991-2001 GMC Sonoma SLE 1993-2004 GMC Sonoma SLS 1973-1977 GMC Sprint Base 1975-1977 GMC Sprint Classic 1973-1974 GMC Sprint Custom 1975 GMC Sprint High Sierra 1976 GMC Sprint Sierra Madre Del Sur 1975-1976 GMC Sprint SP 1975,1977 Oldsmobile Cutlass 442 1973-1975,1980 Oldsmobile Cutlass Base 1980-1981 Oldsmobile Cutlass Brougham 1977 Oldsmobile Cutlass Colonnade 1976-1977 Oldsmobile Cutlass Colonnade S 1980-1981 Oldsmobile Cutlass LS 1973-1977 Oldsmobile Cutlass S 1976-1979 Oldsmobile Cutlass Vista Cruiser 1979 Oldsmobile Cutlass Vista Cruiser Brougham 1973-1977 Oldsmobile Cutlass Supreme Base 1977 Oldsmobile Cutlass Supreme Brougham 1976-1977 Oldsmobile Cutlass Supreme Colonnade 1974-1975 Oldsmobile Cutlass Supreme Cruiser 1975 Oldsmobile Cutlass Supreme Hurst 1975-1979 Oldsmobile Omega Base 1976-1979 Oldsmobile Omega Brougham 1978-1979 Oldsmobile Omega Brougham LS 1977 Oldsmobile Omega Deluxe 1976-1977 Oldsmobile Omega F85 1975 Oldsmobile Omega Salon 1976-1978 Oldsmobile Omega SX 1978-1987 Pontiac Bonneville Base 1978-1986 Pontiac Bonneville Brougham 1984-1987 Pontiac Bonneville LE 1978-1981 Pontiac Bonneville Safari 1973-1975,1978-1980 Pontiac Grand Am Base 1973-1974,1976-1987 Pontiac Grand Prix Base 1981-1987 Pontiac Grand Prix Brougham 1984-1987 Pontiac Grand Prix LE 1975,1977-1983 Pontiac Grand Prix LJ 1975-1980 Pontiac Grand Prix SJ 1973-1981 Pontiac LeMans Base 1973-1974 Pontiac LeMans Luxury 1973-1975,1977-1981 Pontiac LeMans Safari 1974 Pontiac LeMans Safari Luxury 1973-1977 Pontiac LeMans Sport 1977-1979 Pontiac Phoenix Base 1978-1979 Pontiac Phoenix LJ 1978-1979 Pontiac Phoenix SJ 1975-1977 Pontiac Ventura Base 1975 Pontiac Ventura Custom 1975 Pontiac Ventura S 1975-1977 Pontiac Ventura SJ ## Details - **Price:** 2792.08 CAD - **Vendor:** QA1 - **Type:** Coilovers ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 2792.08 CAD | In stock | ## Images - Photo - Primary - Photo - Primary - Logo Image --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/qa1-gm-pro-front-coil-over-system-mod-series-11in-x-250lbs-in-flat-large-aluminum) > Updated: 2026-06-27