1970 BUICK GS 455 Parts and Accessories

front disc brake conversion, installs on factory drum spindle, '64 - '72 GM "A"-Body, '67-'69 "F" Body, '68-74 GM "X" Body power, incl rotor upgrade

Part Number: TSB-A123-23-DS

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Estimated Ship Date: May 28, 2026 if ordered today

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Crossmember Back Exhaust Kit, 1964-72 GM A-Body 2.5" w/ H-pipe 18" Turbo Pro Muffler

Part Number: PYE-SGA40T30

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Estimated Ship Date: Apr 28, 2026 if ordered today

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1968-1972 GM A-Body Handling Package, 2" Lowering- Stage 3-Black

Part Number: UPI-ABF805-2-B

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Disc Brake Kit, Baer Claw Pro+, Rear, Cross-drilled/Slotted Rotors, 6-piston Red Powdercoated Calipers, Buick, Oldsmobile, Pontiac, Kit

Part Number: BAE-4302408R

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Disc Brake Kit, Baer Claw Pro+, Rear, Cross-drilled/Slotted Rotors, 6-piston Silver Powdercoated Calipers, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: BAE-4302357S

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Coilover Kit, Front and Rear, Double Adjustable Shocks, Small Block, 450 lb. Front/140 lb. Rear Springs, Kit

Part Number: AAX-300239

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Estimated Ship Date: Apr 6, 2026 if ordered today

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• Mfr. Rebate

Mail - In Rebate

Rebate amount based on part(s) total.

Rebate Expires: 4/30/2026

Get 10% back after rebate on select Aldan American purchases! For details go to: https://aldanamerican.com/deals/rebate/ ...Read More

Get 10% back after rebate on qualifying Aldan American product purchases! Go to https://aldanamerican.com/deals/rebate/ for complete details. Valid on purchases made between 3/1/26 and 4/30/26 only. Must submit claim within 30 days of product ship date. Allow 8-10 weeks for rebate processing. Valid in the 50 United States, its territories and Canada. Limit (2) qualifying purchases per household or address. Max $355 back. Show Less

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Power Cooling Modules, Show & Go, Aluminum, Polished, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: BCI-83308

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 24, 2026 if ordered today

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Disc Brake Kit, SS4, Rear, Cross-drilled/Slotted Rotors, 4-piston Red Powdercoated Calipers, Buick, Oldsmobile, Pontiac, Kit

Part Number: BAE-4302409R

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Frame Brace, Mid Frame, Chassis Stiffening, Steel, Natural, 68-72 GM A-body, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: SUM-770801

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Disc Brake Kit, Front Conversion, Power Assist, Cross-Drilled/Slotted Rotors, Cast Iron Calipers, Zinc Plated, Stock Ride Height, 5 x 4.75 in., Kit

Part Number: LEB-FC1002-F6B4X

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Estimated Ship Date: Apr 29, 2026 if ordered today

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$100.00 Mail-In Rebate

Price after Manufacturer Rebate: $1,205.04

Rebate Expires: 3/31/2026

Get $100 back after rebate on this Leed Brake Kit! To redeem offer go to https://www.summitracing.com/go/leb ...Read More

Get UP TO $175 back after rebate on a qualifying Leed Brake Kit! Go to https://www.summitracing.com/go/leb for redemption information. Valid on purchases made between 3/1/26 and 3/31/26. Claims must be postmarked 30 days from ship date. Allow 6-8 weeks for processing. Valid in USA and Canada. Limited to 2 qualifying purchases per person or household. Max $175 per claim. Show Less

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Disc Brake Kits, Front Disc Brake Conversion Kits, Front, Power Assist, Solid Surface Rotors, 1-piston Black Powdercoated Calipers, Buick, Chevy, Kit

Part Number: LEB-FC1003-F605

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Estimated Ship Date: Apr 29, 2026 if ordered today

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$100.00 Mail-In Rebate

Price after Manufacturer Rebate: $1,078.89

Rebate Expires: 3/31/2026

Get $100 back after rebate on this Leed Brake Kit! To redeem offer go to https://www.summitracing.com/go/leb ...Read More

Get UP TO $175 back after rebate on a qualifying Leed Brake Kit! Go to https://www.summitracing.com/go/leb for redemption information. Valid on purchases made between 3/1/26 and 3/31/26. Claims must be postmarked 30 days from ship date. Allow 6-8 weeks for processing. Valid in USA and Canada. Limited to 2 qualifying purchases per person or household. Max $175 per claim. Show Less

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Disc Brake Kit, Front Conversion, Power Assist, Solid Surface Rotors, Cast Iron Calipers, Zinc Plated, 2 in. Drop Spindle, 5 x 4.75 in., Kit

Part Number: LEB-FC1003-M1A1

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Estimated Ship Date: Apr 29, 2026 if ordered today

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• Mfr. Rebate

$100.00 Mail-In Rebate

Price after Manufacturer Rebate: $1,070.08

Rebate Expires: 3/31/2026

Get $100 back after rebate on this Leed Brake Kit! To redeem offer go to https://www.summitracing.com/go/leb ...Read More

Get UP TO $175 back after rebate on a qualifying Leed Brake Kit! Go to https://www.summitracing.com/go/leb for redemption information. Valid on purchases made between 3/1/26 and 3/31/26. Claims must be postmarked 30 days from ship date. Allow 6-8 weeks for processing. Valid in USA and Canada. Limited to 2 qualifying purchases per person or household. Max $175 per claim. Show Less

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Disc Brake Kit, Front Conversion, Manual, Cross-Drilled/Slotted Rotors, Vented, Cast Iron Calipers, Black, Stock Ride Height, 5 x 4.75 in., Kit

Part Number: LEB-BFC1002-3A3X

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Estimated Ship Date: Apr 29, 2026 if ordered today

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• Mfr. Rebate

$100.00 Mail-In Rebate

Price after Manufacturer Rebate: $1,064.73

Rebate Expires: 3/31/2026

Get $100 back after rebate on this Leed Brake Kit! To redeem offer go to https://www.summitracing.com/go/leb ...Read More

Get UP TO $175 back after rebate on a qualifying Leed Brake Kit! Go to https://www.summitracing.com/go/leb for redemption information. Valid on purchases made between 3/1/26 and 3/31/26. Claims must be postmarked 30 days from ship date. Allow 6-8 weeks for processing. Valid in USA and Canada. Limited to 2 qualifying purchases per person or household. Max $175 per claim. Show Less

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Disc Brake Kit, Front Conversion, Power Assist, Solid Surface Rotors, Cast Iron Calipers, Zinc Plated, Stock Ride Height, 5 x 4.75 in., Kit

Part Number: LEB-FC1002-N6B2

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Estimated Ship Date: Apr 29, 2026 if ordered today

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$100.00 Mail-In Rebate

Price after Manufacturer Rebate: $1,060.99

Rebate Expires: 3/31/2026

Get $100 back after rebate on this Leed Brake Kit! To redeem offer go to https://www.summitracing.com/go/leb ...Read More

Get UP TO $175 back after rebate on a qualifying Leed Brake Kit! Go to https://www.summitracing.com/go/leb for redemption information. Valid on purchases made between 3/1/26 and 3/31/26. Claims must be postmarked 30 days from ship date. Allow 6-8 weeks for processing. Valid in USA and Canada. Limited to 2 qualifying purchases per person or household. Max $175 per claim. Show Less

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Disc Brake Kit, Front Conversion, Manual, Cross-Drilled/Slotted Rotors, Vented, Cast Iron Calipers, Zinc Plated, Stock Ride Height, 5 x 4.75 in., Kit

Part Number: LEB-FC1002-381X

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 29, 2026 if ordered today

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• Mfr. Rebate

$100.00 Mail-In Rebate

Price after Manufacturer Rebate: $995.43

Rebate Expires: 3/31/2026

Get $100 back after rebate on this Leed Brake Kit! To redeem offer go to https://www.summitracing.com/go/leb ...Read More

Get UP TO $175 back after rebate on a qualifying Leed Brake Kit! Go to https://www.summitracing.com/go/leb for redemption information. Valid on purchases made between 3/1/26 and 3/31/26. Claims must be postmarked 30 days from ship date. Allow 6-8 weeks for processing. Valid in USA and Canada. Limited to 2 qualifying purchases per person or household. Max $175 per claim. Show Less

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Front disc brake conversion, incl. new spindles, '64 - '72 GM "A"-Body, '67-'69 "F" Body, and '68-74 GM "X" Body - non pow, w/ performance rotors

Part Number: TSB-A123-DS

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Estimated Ship Date: May 27, 2026 if ordered today

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Coilover Kit, Rear, Non-Adjustable, Monotube, 180-230 lbs./in., Rear Control Arms, Black Powdercoated, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: HLI-787836

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Estimated Ship Date: Apr 6, 2026 if ordered today

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front disc brake conversion, uses factory drum spindle, '64 - '72 GM "A"-Body, '67-'69 "F" Body, and '68-74 GM "X" Body , non pow, incl. rotor upgrade

Part Number: TSB-A123-22-DS

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Estimated Ship Date: May 28, 2026 if ordered today

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Crossmember Back Exhaust Kit, 1964-72 GM A-Body 2.5" w/ X-pipe 18" Turbo Pro Muffler

Part Number: PYE-SGA10T30

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Estimated Ship Date: Apr 29, 2026 if ordered today

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Sway Bar, Rear, Steel, 3.0 in. Axle Tubes, Red Powdercoated, 1 3/8 in. Dia, Chevy, Oldsmobile, Pontiac, Kit

Part Number: BMR-XSB006R

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Estimated Ship Date: Apr 29, 2026 if ordered today

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Sway Bar, Rear, Steel, 3.25 in. Axle Tubes, Black Hammertone Powdercoated, 1 3/8 in. Diameter, GM, Kit

Part Number: BMR-XSB007H

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Estimated Ship Date: Apr 29, 2026 if ordered today

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Suspension Package, StreetGrip, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: ART-11245010

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

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HQ Coil-Over System with hub spindles for 1968-1972 GM A-Body.

Part Number: ART-11240202

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Sway Bar, Front, Solid, Steel, Black Powdercoated, 1.250 in. Diameter, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: KAA-SWAY709

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Transmission Crossmember, Steel, Black Powdercoated, A-Body, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: SUM-770529

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

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