44+ 1991 Honda Civic Coilovers & Lowering Si Parts

Si · Coilovers & Lowering (44 products)

Exact-fit parts for the 1991 Honda Civic Si.

Skunk2 Universal Race Spring (Straight) - 7 in.L - 2.5 in.ID - 18kg/mm (0700.250.018S)

Skunk2 Racing

Part # 521-99-1040

Confirmed Fit

Skunk2 Universal Race Spring (Straight) - 7 in.L - 2.5 in.ID - 18kg/mm (0700.250.018S)

$87.12

Skunk2 Universal Race Spring (Straight) - 6 in.L - 2.5 in.ID - 10kg/mm (0600.250.010S)

Skunk2 Racing

Part # 521-99-1000

Confirmed Fit

Skunk2 Universal Race Spring (Straight) - 6 in.L - 2.5 in.ID - 10kg/mm (0600.250.010S)

$98.53

Progress Tech 89-91 Honda Civic/Si/CRX Coil-Over 3 System (FR 350lb / RR 550lb) Factory Top Hat Only

Progress Technology

Part # 78.1002.3555

Confirmed Fit

Progress Tech 89-91 Honda Civic/Si/CRX Coil-Over 3 System (FR 350lb / RR 550lb) Factory Top Hat Only

$1160.63

Skunk2 88-00 Honda Civic/CRX/Del Sol Coilover Sleeve Kit (Set of 4)

Skunk2 Racing

Part # 517-05-0740

Confirmed Fit

Skunk2 88-00 Honda Civic/CRX/Del Sol Coilover Sleeve Kit (Set of 4)

$307.15

Progress Tech 89-91 Honda Civic/Si/CRX Coil-Over 3 System (FR 650lb / RR 650lb) Factory Top Hat Only

Progress Technology

Part # 78.1002.6565

Confirmed Fit

Progress Tech 89-91 Honda Civic/Si/CRX Coil-Over 3 System (FR 650lb / RR 650lb) Factory Top Hat Only

$1160.63

KW Coilover Kit V1 Honda Civic CRX; Coupe Hatchback Sedan w/ rear lower fork mounts

Part # 10250001

Confirmed Fit

KW Coilover Kit V1 Honda Civic CRX; Coupe Hatchback Sedan w/ rear lower fork mounts

$1611.16

KW Coilover Kit V3 Honda Civic CRX; Coupe Hatchback Sedan w/ rear lower fork mounts

Part # 35250001

Confirmed Fit

KW Coilover Kit V3 Honda Civic CRX; Coupe Hatchback Sedan w/ rear lower fork mounts

$2534.81

Progress Tech 89-91 Honda Civic/Si/CRX Coil-Over 3 System (FR 550lb / RR 800lb) Factory Top Hat Only

Progress Technology

Part # 78.1002.5580

Confirmed Fit

Progress Tech 89-91 Honda Civic/Si/CRX Coil-Over 3 System (FR 550lb / RR 800lb) Factory Top Hat Only

$1160.63

Progress Tech 89-91 Honda Civic/Si/CRX Coil-Over 3 System (FR 450lb / RR 450lb) Factory Top Hat Only

Progress Technology

Part # 78.1002.4545

Confirmed Fit

Progress Tech 89-91 Honda Civic/Si/CRX Coil-Over 3 System (FR 450lb / RR 450lb) Factory Top Hat Only

$1160.63

Progress Tech 89-91 Honda Civic/Si/CRX Coil-Over 2 System (FR 350lb / RR 550lb) Factory Top Hat Only

Progress Technology

Part # 77.1002.3555

Confirmed Fit

Progress Tech 89-91 Honda Civic/Si/CRX Coil-Over 2 System (FR 350lb / RR 550lb) Factory Top Hat Only

$935.76

BLOX Racing

Part # BXSS-01000

Confirmed Fit

BLOX Racing Lowering Springs 88-91 Honda CRX Civic

$160.00

Progress Tech 89-91 Honda Civic/Si/CRX Coil-Over 2 System (FR 450lb / RR 350lb) Factory Top Hat Only

Progress Technology

Part # 77.1002.4535

Confirmed Fit

Progress Tech 89-91 Honda Civic/Si/CRX Coil-Over 2 System (FR 450lb / RR 350lb) Factory Top Hat Only

$935.76

Skunk2 88-00 Honda Civic/CRX/Del Sol/90-01 Acura Integra Drag Launch Kit (Race Only) (Set of 4)

Skunk2 Racing

Part # 517-05-0730

Confirmed Fit

Skunk2 88-00 Honda Civic/CRX/Del Sol/90-01 Acura Integra Drag Launch Kit (Race Only) (Set of 4)

$326.35

Progress Tech 89-91 Honda Civic/Si/CRX Coil-Over 3 System (FR 650lb / RR 800lb) Factory Top Hat Only

Progress Technology

Part # 78.1002.6580

Confirmed Fit

Progress Tech 89-91 Honda Civic/Si/CRX Coil-Over 3 System (FR 650lb / RR 800lb) Factory Top Hat Only

$1160.63

Progress Tech 89-91 Honda Civic/Si/CRX Coil-Over 3 System (FR 450lb / RR 650lb) Factory Top Hat Only

Progress Technology

Part # 78.1002.4565

Confirmed Fit

Progress Tech 89-91 Honda Civic/Si/CRX Coil-Over 3 System (FR 450lb / RR 650lb) Factory Top Hat Only

$1160.63

Skunk2 Mazda Pro-S2 Polyurethane Replacement Bushings (2 Halves)

Skunk2 Racing

Part # 941-99-0001

Confirmed Fit

Skunk2 Mazda Pro-S2 Polyurethane Replacement Bushings (2 Halves)

$16.13

Progress Tech 89-91 Honda Civic/Si/CRX Coil-Over 3 System (FR 550lb / RR 450lb) Factory Top Hat Only

Progress Technology

Part # 78.1002.5545

Confirmed Fit

Progress Tech 89-91 Honda Civic/Si/CRX Coil-Over 3 System (FR 550lb / RR 450lb) Factory Top Hat Only

$1160.63

Skunk2 88-91 Honda Civic/CRX Pro-ST Coilovers (Front 10 kg/mm - Rear 8 kg/mm)

Skunk2 Racing

Part # 541-05-8715

Confirmed Fit

Skunk2 88-91 Honda Civic/CRX Pro-ST Coilovers (Front 10 kg/mm - Rear 8 kg/mm)

$1118.03

Skunk2 Universal Race Spring (Straight) - 7 in.L - 2.5 in.ID - 16kg/mm (0700.250.016S)

Skunk2 Racing

Part # 521-99-1140

Confirmed Fit

Skunk2 Universal Race Spring (Straight) - 7 in.L - 2.5 in.ID - 16kg/mm (0700.250.016S)

$98.53

Progress Tech 89-91 Honda Civic/Si/CRX Coil-Over 2 System (FR 350lb / RR 350lb) Factory Top Hat Only

Progress Technology

Part # 77.1002.3535

Confirmed Fit

Progress Tech 89-91 Honda Civic/Si/CRX Coil-Over 2 System (FR 350lb / RR 350lb) Factory Top Hat Only

$935.76

Frequently Asked Questions

Do these parts fit my 1991 Honda Civic Si?

This page groups parts listed for the 1991 Honda Civic Si. Some products fit every trim, while others depend on submodel, engine, drivetrain, or brake package. Use your trim in My Garage or the product page fitment check to confirm exact fit.

What coilovers & lowering options are available for my 1991 Honda Civic Si?

We offer a wide selection of coilovers & lowering parts for the 1991 Honda Civic Si. This page narrows the catalog to the year, make, and model; use your trim on product pages to confirm exact fit when a part only fits certain submodels.

What brands make parts for the 1991 Honda Civic Si?

We carry parts from trusted brands including Progress Technology, Skunk2 Racing, AST, ISC Suspension, and KW, plus many more. Filter by brand to find your preferred manufacturer.

How fast do 1991 Honda Civic Si parts ship?

Most in-stock items ship within 1-2 business days. Shipping rates are calculated at checkout based on your location.

What warranty do your 1991 Honda Civic Si parts come with?

Warranty coverage varies by manufacturer but typically ranges from 1 year to lifetime. Each product page includes specific warranty information from the manufacturer.

1991 Honda Civic(1,972 parts)

1991 Honda Civic(1,972 parts)

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Other Honda Civic Years

Si · Coilovers & Lowering (44 products)

Skunk2 Universal Race Spring (Straight) - 7 in.L - 2.5 in.ID - 18kg/mm (0700.250.018S)

Skunk2 Universal Race Spring (Straight) - 6 in.L - 2.5 in.ID - 10kg/mm (0600.250.010S)

Progress Tech 89-91 Honda Civic/Si/CRX Coil-Over 3 System (FR 350lb / RR 550lb) Factory Top Hat Only

Skunk2 88-00 Honda Civic/CRX/Del Sol Coilover Sleeve Kit (Set of 4)

Progress Tech 89-91 Honda Civic/Si/CRX Coil-Over 3 System (FR 650lb / RR 650lb) Factory Top Hat Only

KW Coilover Kit V1 Honda Civic CRX; Coupe Hatchback Sedan w/ rear lower fork mounts

KW Coilover Kit V3 Honda Civic CRX; Coupe Hatchback Sedan w/ rear lower fork mounts

Progress Tech 89-91 Honda Civic/Si/CRX Coil-Over 3 System (FR 550lb / RR 800lb) Factory Top Hat Only

Progress Tech 89-91 Honda Civic/Si/CRX Coil-Over 3 System (FR 450lb / RR 450lb) Factory Top Hat Only

Progress Tech 89-91 Honda Civic/Si/CRX Coil-Over 2 System (FR 350lb / RR 550lb) Factory Top Hat Only

BLOX Racing Lowering Springs 88-91 Honda CRX Civic

Progress Tech 89-91 Honda Civic/Si/CRX Coil-Over 2 System (FR 450lb / RR 350lb) Factory Top Hat Only

Skunk2 88-00 Honda Civic/CRX/Del Sol/90-01 Acura Integra Drag Launch Kit (Race Only) (Set of 4)

Progress Tech 89-91 Honda Civic/Si/CRX Coil-Over 3 System (FR 650lb / RR 800lb) Factory Top Hat Only

Progress Tech 89-91 Honda Civic/Si/CRX Coil-Over 3 System (FR 450lb / RR 650lb) Factory Top Hat Only

Skunk2 Mazda Pro-S2 Polyurethane Replacement Bushings (2 Halves)

Progress Tech 89-91 Honda Civic/Si/CRX Coil-Over 3 System (FR 550lb / RR 450lb) Factory Top Hat Only

Skunk2 88-91 Honda Civic/CRX Pro-ST Coilovers (Front 10 kg/mm - Rear 8 kg/mm)

Skunk2 Universal Race Spring (Straight) - 7 in.L - 2.5 in.ID - 16kg/mm (0700.250.016S)

Progress Tech 89-91 Honda Civic/Si/CRX Coil-Over 2 System (FR 350lb / RR 350lb) Factory Top Hat Only

Frequently Asked Questions

Do these parts fit my 1991 Honda Civic Si?

What coilovers & lowering options are available for my 1991 Honda Civic Si?

What brands make parts for the 1991 Honda Civic Si?

How fast do 1991 Honda Civic Si parts ship?

What warranty do your 1991 Honda Civic Si parts come with?