1981 - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Eaton Detroit Lockers GM 8.5 Inch 187C149A

Differential, Eaton Detroit Locker, 28-Spline, GM, 8.5 in., 3-Series, Each

Part Number: ETN-187C149A

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits with XR Wrist Pins K3-6203-3840

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits with XR Wrist Pins K3-6203-3840

Piston Set, 231 V6 & GN Buick V6 & Grand National K3-FX Series -15cc Buick Dish Top Piston Set. 3.840 bore

Part Number: DMS-K3-6203-3840

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

EATON Differential Carriers 187C172A

Differential, Eaton Detroit Locker, 31-Spline, Chrysler, 9.25 in., Each

Part Number: ETN-187C172A

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

Thule Xsporter Pro Truck Racks 500XT

Bed and Ladder Racks, Thule Xsporter Pro, Truck Bed Rack, Adjustable Height, 450 lb. Capacity, Locking, Aluminum, Silver Powdercoat, Pair

Part Number: THU-500XT

Not Yet Reviewed

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Moroso Tri-Lobe Dry Sump Oil Pumps 22441

Oil Pump, Tri-Lobe, Single Stage Dry Sump, Chevy, Big/Small Block, Dragster Bracket, Each

Part Number: MOR-22441

Not Yet Reviewed

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DeWitts LS Modified Direct Fit Pro-Series Radiators 32-3239019A

LSX Conversion Radiator - 1973-87 Chevy C10 HD Truck, Auto, Natural, 2 row 1" tubes

Part Number: DWR-3239019A

Not Yet Reviewed

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JE Pistons Open Chamber Dome Top Gas Ported Pistons 243332

Pistons, Forged, Dome, 2-Valve Reliefs, 4.610 in. Bore, 4.250 in. Stroke, 6.535 in. Rod, 1.120 in. Compression, Chevy, Set of 8

Part Number: JEP-243332-8

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Howards Cams Ultimate Duty Forged Billet Connecting Rods UD63852200

Connecting Rod, Ultimate Duty, Forged Billet, 6.385 Length, I-Beam, Forged 4340, Floating, 2.200 Journal, Set of 8

Part Number: HRS-UD63852200

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

All American Billet Serpentine Kits SCK-SBC-101

Accessory Drive System, Serpentine, 6-groove, Polished Finished, Chevy, Small Block, Kit

Part Number: AAY-SCK-SBC-101

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Skyjacker Suspension Lift Kits for 1980-1998 F-250, 1980-1997 F-350 - F840TK3

Lift Kit-Suspension

Part Number: SJA-F840TK3

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Estimated Ship Date: Tomorrow if ordered today

McLeod Racing Clutch Kits 6400104

STREET TWN STL CHEVY 2PC SEAL CRK 1-1/8X10 SPL 168

Part Number: MCL-64001-04

Not Yet Reviewed

Estimated Ship Date: Jan 29, 2026 if ordered today

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Estimated Ship Date: Jan 29, 2026 if ordered today

McLeod Street Twin Clutch Kits 6400307

Clutch Kit, Street Twin, 1.125 in. - 26-spline, Organic Disc, Pressure Plate, Billet Steel Flywheel, Chevy, Kit

Part Number: MCL-6400307

Not Yet Reviewed

Estimated Ship Date: Today

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Yukon Gear & Axle Grizzly Lockers Dana 60 YGLD60-4-30

Differential Carrier, Grizzly Locker, Chromium Alloy Steel, 30-spline, Dana 60, for 4.56 Ratio and Up, Each

Part Number: YGA-28004

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 27, 2026 if ordered today

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Estimated Ship Date: Jan 27, 2026 if ordered today

Scat F43 Series Crankshafts 4-350-3625-5850-20LW

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.625 in. Stroke, Chevy, Small Block, Each

Part Number: SCA-435051LW

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

World Products Merlin Cylinder Heads 030620

Cylinder Head, Merlin, Cast Iron, Bare, 119cc Chamber, 320cc Intake Runner, Chevy, Big Block, Each

Part Number: WRL-030620

Not Yet Reviewed

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Motive Gear Ring and Pinion Gear and Installation Kit Combos MGK-211 GM 8.5 in. 4.11 Gears

RING AND PINION

Part Number: MGR-MGK-211

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits with XR Wrist Pins K3-3502-4030D

-2cc Flat Top SBF Twisted Wedge Forged 2618

Part Number: DMS-K335024030D

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits with XR Wrist Pins K3-3352-4060

Piston Set, 408W /5.8 Stroker SBF 351W K3-FX Series -2cc Flat Top Twisted Wedge Piston Set. 4.060 bore

Part Number: DMS-K3-3352-4060

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits with XR Wrist Pins K3-3366-4040

Piston Set, 408W /5.8 Stroker SBF 351W K3-FX Series +6cc Dome Top inline Piston Set. 4.040 bore

Part Number: DMS-K3-3366-4040

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits with XR Wrist Pins K3-3452-4000

Piston Set, 351W / 5.8 SBF 351W K3-FX Series -2cc Flat Top Twisted Wedge Piston Set. 4.000 bore

Part Number: DMS-K3-3452-4000

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

D.S.S. FX-Series Forged 2618 Alloy Piston and Ring Kits with XR Wrist Pins K3-3166-4165

Piston Set, 363 Stroker SBF 289 - 302 K3-FX Series +6cc Dome Top inline Piston Set. 4.165 bore

Part Number: DMS-K3-3166-4165

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

Flaming River Tilt Column Shift Steering Columns FR30106-48

Steering Column, Tilt, 1 in. 48-Spline, Stainless Steel, Natural, Column Shift, Chevy/GMC, Pickup, Each

Part Number: FLA-FR30106-48

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Motive Gear Ring and Pinion Gear and Installation Kit Combos MGK-210 GM 8.5/GM 8.875 in. (12-bolt) truck 4.56 Gears

Differential Ring and Pinion, Differential Ring and Pinon Front and Rear Complete Kit

Part Number: MGR-MGK-210

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

ICON Premium Forged Piston and Ring Kits IC832KTD.040

Piston and Ring Kit, Forged, Flat, 3.776 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-IC832KTD-040

Not Yet Reviewed

Estimated Ship Date: Feb 5, 2026 if ordered today

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Estimated Ship Date: Feb 5, 2026 if ordered today

Auburn Gear Select-A-Loc 30 Spline Differential Dana 44 545041

Differential, Select-A-Loc, 30-Spline, Dana 44, 10-Bolt, Each

Part Number: AUB-545041

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

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Estimated Ship Date: Jan 27, 2026 if ordered today

1981 Parts and Accessories