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Detroit Speed Rear Speed 1 Kits 041634DS

Rear Suspension Packages, Rear Speed 1 Kits, 3 in. Drop, Gas-charged Monotube, Black Leaf Springs, Chevrolet, Kit

Part Number: DSR-041634DS

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Diamond Pistons Buick 3800 Forced Induction Dish Series Pistons 21409-6-H

3800 L67 3.810B/1.205CD/Kit

Part Number: DPP-21409-6-H

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 2026 if ordered today

Weld Racing RT-S S77 Forged Aluminum Black Anodized Wheels 17x8

Wheel, RT-S S77, Aluminum, Matte Black, 17 in. x 8.00 in., 5 x 120mm Bolt Circle, 5.800 in. Back Space

Part Number: WLD-77MB7080N58A

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Weld Racing RT-S S71 Forged Aluminum Black Anodized Wheels 18x8

Wheel, RT-S S71, Aluminum, Black, 18 in. x 8.0 in., 5 x 120mm Bolt Circle, 6.200 in. Backspace

Part Number: WLD-71MB8080N62A

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Weld Racing RT-S S80 Forged Aluminum Black Anodized Wheels 17x7

Wheel, 17x7" Black S80 Medium Pad 5x120mm Bolt Pattern 5.3" Backspace

Part Number: WLD-80MB7070N53A

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Weld Racing RT-S S76 Forged Aluminum Black Anodized Wheels 20x8

Wheel, RT-S S76, Aluminum, Matte Black, 20 in. x 8.0 in, 5 x 120mm Bolt Circle, 5.9 in. Back Space, Each

Part Number: WLD-76MB0080N59A

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Melling Camshaft Kits CK-22307DT

Melling Camshaft Kits CK-22307DT

KIT ENGINE CAMSHAFT/SPRING

Part Number: MEL-CK-22307DT

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 2026 if ordered today

Precision Turbo and Engine Entry Level 58.92mm Turbocharger 30802004568

Turbocharger, PT5931 MFS JB E CC W/BUICK .63 A/R HD ACT

Part Number: PTU-30802004568

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Estimated Ship Date: Tomorrow if ordered today

MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converters for 2006 LUCERNE - 5461751

Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, Buick, 3.8L, Each

Part Number: MPE-5461751

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

MagnaFlow Direct-Fit Catalytic Converters for 2007-2008 ACADIA, OUTLOOK, 2008 ENCLAVE - 5451445

Catalytic Converter, Direct-Fit, Front, Buick, GMC, Saturn, 3.6L, Each

Part Number: MPE-5451445

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converters 3322470

Catalytic Converter, California Grade CARB Compliant Direct-Fit Catalytic Converter, Stainless Steel, Buick, Cadillac, Chevy, Each

Part Number: MPE-3322470

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

UMI Performance Suspension Lowering Kits AB4350-2

64-66 GM A-Body Shock/Spring Lowering Kit, Double Adj. Shocks 350 front spring rate, 2" rear drop

Part Number: UPI-AB4350-2

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

UMI Performance Suspension Handling Packages ABF401-1-R

64-66 GM A-Body Handling Kit, 1" Lowering, Stage 1- Red

Part Number: UPI-ABF4011R

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Flaming River Steering Gear Boxes FR1496Q

Steering Box, Manual, Cast Iron, Buick, Chevy, 16:1 Ratio, Kit

Part Number: FLA-FR1496Q

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow if ordered today

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Estimated Ship Date: Tomorrow if ordered today

RESTOPARTS® Supplied Seat Upholstery for 1966 RIVIERA - BR02917-RD

Seat Upholstery Kit, 1966 Riviera, Custom Front Buckets/Rear Red (RD)

Part Number: OPG-BR02917-RD

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Coast to Coast International Body Parts - Grilles and Grille Inserts for 2014-2016 LACROSSE - GM1200705

GRILLE; WITHOUT ADAPTIVE CRUISE; MADE OF ABS PLASTIC; [GM]

Part Number: BDY-GM1200705

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converters 551092

Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, 13.875 in. Overall Length, Buick, Chevy, Each

Part Number: MPE-551092

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

COMP Cams Xtreme Energy Cam and Lifter Kits SK12-773-8

Camshaft Kits, Xtreme Energy Cam and Lifter Kits, Solid Roller, Retro-fit, Advertised Duration 292/297, Lift 0.582/0.588, Chevy, GMC, Small Block, Kit

Part Number: CCA-SK12-773-8

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

UMI Performance Suspension Handling Packages ABF401-1-B

64-66 GM A-Body Handling Kit, 1" Lowering, Stage 1- Black

Part Number: UPI-ABF4011B

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

UMI Performance Coilover Kits 3049-225

Coilover Kit, 1978-88 GM G-Body, Rear, Bolt-In, Control Arm Relocation, Viking Double Adjustable Shocks, 225 lbs. Springs, AutoX / Road Racing, Kit

Part Number: UPI-3049-225

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

UMI Performance Suspension Lowering Kits GBF550-2

78-88 GM G-Body Shock/Spring Lowering Kit, Double Adj. Shocks 550 front spring rate, 2" rear drop

Part Number: UPI-GBF550-2

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

Diamond Pistons Buick 231 Forced Induction Dish Series Pistons 21402-6-H

3.8L 231 3.830B/1.850CD/Kit

Part Number: DPP-21402-6-H

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 2026 if ordered today

Diamond Pistons Buick 231 Forced Induction Dish Series Pistons 21403-6-H

3.8L 231 3.840B/1.850CD/Kit

Part Number: DPP-21403-6-H

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 2026 if ordered today

Diamond Pistons Buick 3800 Forced Induction Dish Series Pistons 21406-6-H

3800 L67 3.810B/1.205CD/Kit

Part Number: DPP-21406-6-H

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 2026 if ordered today

Sanderson Headers C7LS-BEC

Headers, Full length header set featuring large 1-3/4" tubes for GM LS engines installed in a variety of classic and street rod applications, Black

Part Number: SNH-C7LS-BEC

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

BUICK Parts and Accessories