Automotive Ignition & Electrical Supplies

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Whatever sparks your high performance dream, you’ll find it here. Get your engine started with a high-amp battery and high-torque mini starter. Keep the power flowing...

Whatever sparks your high performance dream, you’ll find it here. Get your engine started with a high-amp battery and high-torque mini starter. Keep the power flowing with a digital ignition control, performance distributor, and low-resistance ignition wires. Outfit your race car with competition-proven automotive electronics and accessories, or rewire your resto-mod with a complete wiring harness. Reprogram your vehicle’s computer or rejuvenate your daily driver with a new distributor cap, rotor, and spark plugs. We have the best automotive ignition and electrical supplies from the biggest names in the industry, in stock...

Showing All Items, Including Not in Stock Items That Match "NS-121"

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Results 1 - 25 of 58

Standard Motor Neutral and Backup Safety Switches NS-121

Neutral Safety and Backup Light Switch, Replacement, Cadillac, Chevrolet, GMC, Isuzu, Each

Part Number: SMP-NS121

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

800 CCA Summit Racing™ Battery Pro Packs 06-0122 BCI Group 34/78

Battery, Red Top, Starting, 800 Cold Cranking Amps, Top and Side Post, BCI Group 12V, Hold Down and Cable Included, Kit

Part Number: CMB-06-0122

Not Yet Reviewed

Cannot be shipped Internationally

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Cannot be shipped Internationally

MSD Blaster 2 Ignition Coils 8202

Ignition Coil, Blaster 2, Canister, Round, Oil Filled, Red, 45,000 V, Each

Part Number: MSD-8202

4.69 out of 5 stars ( 224 )

Estimated Ship Date: Today

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Standard Motor Clutch Switches NS-389

Clutch Starter Safety Switch, Audi, Each

Part Number: SMP-NS-389

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

Standard Motor Neutral and Backup Safety Switches NS-131

Neutral Safety and Backup Light Switch, Replacement, Ford, Mercury, Each

Part Number: SMP-NS131

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

Standard Motor Neutral and Backup Safety Switches NS-11

Neutral Safety and Backup Light Switch, Replacement, Steel/Plastic, AMC, Chrysler, Dodge, International, Jeep, Plymouth, Renault, Toyota, Each

Part Number: SMP-NS11

2.83 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Standard Motor Neutral and Backup Safety Switches for 1999-2001 GOLF, 1997-2002 JETTA, 1995-1997 PASSAT - NS-314

Neutral Safety and Backup Light Switch, Replacement, Volkswagen, Each

Part Number: SMP-NS314

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

Standard Motor Clutch Switches NS-149

Switch - Misc.

Part Number: SMP-NS149

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

Standard Motor Clutch Switches NS-188

Clutch Starter Safety Switch, Replacement, Ford, Mazda, Mercury, Each

Part Number: SMP-NS188

Not Yet Reviewed

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MSD Street Fire Cap and Rotor Kits 5500

Distributor Cap & Rotor; Street Fire; Cap And Rotor Kit; MSD/GM V8 Points; Socket

Part Number: MSD-5500

4.59 out of 5 stars ( 22 )

Estimated Ship Date: Today

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MSD 8.5mm Super Conductor Spark Plug Wire Sets 31193

Spark Plug Wires, 8.5mm, Super Conductor, Spiral Core, Black, Multi-Angle Boots, Universal, L8/V8, Set

Part Number: MSD-31193

4.71 out of 5 stars ( 77 )

Estimated Ship Date: Today

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MSD 8.5mm Super Conductor Spark Plug Wire Sets 31199

Spark Plug Wires, Super Conductor, Spiral Core, 8.5mm, Red, Multi-Angle Boots, Universal, L8/V8, Set

Part Number: MSD-31199

4.82 out of 5 stars ( 44 )

Estimated Ship Date: Today

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MSD Replacement Distributor Caps 8433

Distributor Cap, Male/HEI-Style, Red, Extra-Duty, Pro-Billet, Clamp-Down, GM, V8, Each

Part Number: MSD-8433

4.68 out of 5 stars ( 41 )

Estimated Ship Date: Today

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MSD Pro-Billet Ready-to-Run Distributors 8529

Distributor, Pro-Billet Ready-to-Run, Magnetic Trigger, Vacuum Advance, Oldsmobile, 260-455, Each

Part Number: MSD-8529

3.56 out of 5 stars ( 9 )

Estimated Ship Date: Today

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MSD Pro-Billet Distributors 8566

Distributor, Pro-Billet, Magnetic Trigger, Mechanical Advance, Oldsmobile, 260-455, Each

Part Number: MSD-8566

4.6 out of 5 stars ( 10 )

Estimated Ship Date: Today

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MSD Replacement Distributor Caps 84333

Distributor Cap, Male/HEI-Style, Black, Clamp-Down, GM/MSD, Billet, Pro-Billet, V8, Each

Part Number: MSD-84333

4.62 out of 5 stars ( 34 )

Estimated Ship Date: Today

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800 CCA Optima RedTop Starting 12-Volt Battery 9004-003 BCI Group 34/78

Battery, RedTop, 12 V, Starting, 800 Cold Cranking Amps, AGM, Top and Side Terminals, BCI Group 34/78, Each

Part Number: ULT-9004-003

4.8 out of 5 stars ( 394 )

Cannot be shipped Internationally

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Cannot be shipped Internationally

750 CCA Optima YellowTop Deep-Cycle 12-Volt Battery 9014-045 BCI Group 34/78

Battery, Yellow Top, 12 V, Deep Cycle, 750 Cold Cranking Amps, Top/Side Post, BCI Group 34/78, Removable Handle, Each

Part Number: ULT-9014-045

4.8 out of 5 stars ( 176 )

Cannot be shipped Internationally

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Cannot be shipped Internationally

ACCEL SuperStock Ignition Coils 8145ACC

Ignition Coil, SuperStock, Canister, Round, Oil-Filled, Yellow, 45,000 V, Each

Part Number: ACC-8145

4.95 out of 5 stars ( 20 )

Estimated Ship Date: Today

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800 CCA Optima RedTop Starting 12-Volt Battery 9002-002 BCI Group 34

Battery, Red Top, 12 V, Starting, 800 Cold Cranking Amps, Top Post, BCI Group 34, Each

Part Number: ULT-9002-002

4.82 out of 5 stars ( 268 )

Cannot be shipped Internationally

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Cannot be shipped Internationally

Spectra Premium Ignition Coils C-624

IGNITION COIL

Part Number: SGT-C624

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

Four Seasons Wiring Connectors and Pigtails 37203

Harness Connector

Part Number: FSS-37203

Not Yet Reviewed

Estimated Ship Date: Today

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720 CCA Optima RedTop Starting 12-Volt Battery 9022-091 BCI Group 75/25

Battery, Red Top, 12 V, Starting, 720 Cold Cranking Amps, Top/Side Post, BCI Group 75/25, Each

Part Number: ULT-9022-091

4.79 out of 5 stars ( 186 )

Cannot be shipped Internationally

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Cannot be shipped Internationally

Standard Motor Wiring Connectors HP4450

Wiring Pigtails, Female, for use on Acura®, BMW, Chevy, Chrysler, Ford, GMC, International, Isuzu, Jeep, Mitsubishi, Saab, Suzuki, Toyota, Volvo, Each

Part Number: SMP-HP4450

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today