Get Peace of Mind With the Summit Racing Protection Plan!

Get Peace of Mind With the Summit Racing Protection Plan!

$5 Off Your $100 Mobile App Purchase!

CHEVROLET Chevy small block Gen III/IV (LS-based engines) Parts and Accessories

Individual Parts

Results 126 - 150 of 2000 +

MagnaFlow Direct-Fit Catalytic Converters 51578

Mail - In Rebate

Rebate amount based on part(s) total.

Rebate Expires: 12/31/2025

Buy Converter and get up to $75 back after sending in your old one! Please visit www.magnaflow.com/pages/retailer-recycling-program

Buy a Magnaflow Converter and get UP TO $75 back after sending in your old OEM one! Visit www.magnaflow.com/pages/retailer-recycling-program to begin the rebate redemption process. Valid on purchases made between 1/1/25 and 12/31/25. Open to legal residents of the 50 United States and District of Columbia. Only OE (original equipment) converters are eligible for a refund. Rebate will be in the form of a Visa Prepaid card. Please allow 4-6 weeks to receive rebate.

Catalytic Converter, Direct Fit, Stainless Steel, Cadillac, Chevy, GMC, 4.8, 5.3, 6.0L, Each

Part Number: MPE-51578

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

  • Mail - In Rebate

    Rebate amount based on part(s) total.

    Rebate Expires: 12/31/2025

    Buy Converter and get up to $75 back after sending in your old one! Please visit www.magnaflow.com/pages/retailer-recycling-program

    Buy a Magnaflow Converter and get UP TO $75 back after sending in your old OEM one! Visit www.magnaflow.com/pages/retailer-recycling-program to begin the rebate redemption process. Valid on purchases made between 1/1/25 and 12/31/25. Open to legal residents of the 50 United States and District of Columbia. Only OE (original equipment) converters are eligible for a refund. Rebate will be in the form of a Visa Prepaid card. Please allow 4-6 weeks to receive rebate.

...Loading

Estimated Ship Date: Today

Summit Chevy LS 4340 Forged Steel Crankshaft, 3.622 stroke, 24X Reluctor, Gun-drilled and Lightened, Nitride Hardened, Narrowed Rod Bearings Req.

Part Number: SUM-180LS362224

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Rack and Pinion, Hydraulic Power Assist, 15mm DD, Aluminum, Natural, 52.700 in. Length, Each

Part Number: DSR-090224DS

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Radiators, Extreme Modules, Crossflow, 2 Rows, Aluminum, Polished, Dual Fan, Engine Swap, Chevrolet, Small Block LS, Kit

Part Number: BCI-83663

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 17, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 17, 2025 if ordered today

Driveshaft, Rear, Assembled, Balanced, Aluminum, 4.000 in. Diameter, 75.500 in. Length, Chevrolet, GMC, Each

Part Number: RNB-936-121

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Crankshaft, Forged 4340 Steel, 4.000 in. Stroke, Internal Balance, 6 Bolt, 58-tooth GM Reluctor, Long Snout, Chevy, Small Block, LS7, Each

Part Number: CPI-AWO-31V-AS

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Pulley Kit, Performance Ratio, Tru Trac Serpentine System, Aluminum, Polished, Chevy, Kit

Part Number: BSP-13450

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Oct 20, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 20, 2025 if ordered today

Transmission, Manual, Super T-10 4-Speed, GM, V8, Each

Part Number: RMG-1304000069

1.6 out of 5 stars ( 5 )

Estimated Ship Date: Nov 3, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 3, 2025 if ordered today

Clutch Kit, Manual Transmission Conversion, Chevy, Small Block LS Series, M21, M22, SM420, SM465, NV4500, Center Force Clutch, Kit

Part Number: ADD-712500M-CF

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Sway Bar, Gray Hammertone, Steel, Front, 1 1/2 in. Diameter, Chevy, GMC, SUV/Pickup, Kit

Part Number: HEL-7685

4.9 out of 5 stars ( 10 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Disc Brakes, SLC56, Front, 12.80 in. Rotors, Brake Pads, Cross-Drilled/Slotted Rotor, 4-Piston, Red Powdercoated, BP-10 Brake Pads, Chevrolet, Kit

Part Number: WIL-140-17671-DR

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Radiator, Performance, Module, Aluminum, Polished, Crossflow, 2 Row, Single Fan, Chevy, Pontiac, LS Swap, Kit

Part Number: RAD-CHC547AK

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Radiator and Fan, Performance Fit, Aluminum, Crossflow, 2-Row, Dual Fan, Chevy, Each

Part Number: GRI-CU-70016-LS

Not Yet Reviewed

Estimated Ship Date: Oct 31, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 31, 2025 if ordered today

Radiator, Crossflow, Aluminum, Natural, Dual Fan, 10.4 amp Draw Per Fan, Buick, Chevy, GMC, Olds, Pontiac, Kit

Part Number: GRI-CU-00010-LS

2.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

K-Member and A-Arms, Tubular, Steel, Black Powdercoated, Chevrolet, Pontiac, SBC, Gen 1, LS, Kit

Part Number: UPI-240331-B

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 15, 2025 if ordered today

Clutch Kit, HDX, 12 in., Steel Flywheel, 6-Bolt, 168 Tooth, 26 Spline, Chevrolet, LS, Kit

Part Number: RAM-25-831

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Disc Brakes, W4A, Rear, Slotted/Drilled Rotors, 4-Piston Black Calipers, Chevy, GMC, Kit

Part Number: WIL-140-9407-D

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Crate Engine, GM LQ4, Long Block, Internal Engine Balance, Aluminum Heads, Chevy, 6.0L, LS3 Heads, Each

Part Number: HPE-HP110

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 8, 2026 if ordered today

Disc Brakes, Superlite 6R Big, Front, 14.00 in. Diameter Rotors, 6-piston Calipers, Red, Chevy, Pontiac, Kit

Part Number: WIL-140-9834-R

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Pulleys, Pro-Track Serpentine Conversion, Billet Aluminum, Black Powdercoated, Water Pump, Power Steering Pump, With A/C, Chevy, Kit

Part Number: MCH-20035-08

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Exhaust System, Blackheart LS Swap, 409 Stainless Steel, Natural, Header-Back, Underbody, 3.00 in., Chevrolet, GMC, Kit

Part Number: HOK-705014152RHK

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Coilover Shocks, Lowered, -1.00 in. -3.00 in. Front, Chevy, GMC, Kit

Part Number: BEL-15002

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Transmission Combo, ProFit, Tremec TKX, 5-Speed, 2.87:1 First Gear, 0.68:1 Fifth Gear, GM, A-Body, 1964-67, Kit

Part Number: AWR-COGM-A1FX

Not Yet Reviewed

Estimated Ship Date: Dec 9, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 9, 2025 if ordered today

Supercharger, E-Force, Eaton Gen VI, Serpentine, Black, Intercooler, Chevy, GMC, 4.8L LS, 5.3L LS, Kit

Part Number: EDL-15780

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 3, 2025 if ordered today

Crankshaft, Forged 4340 Steel, 4.125 in. Stroke, Internal Balance, 6 Bolt, 58-tooth GM Reluctor, Standard Snout, Chevy, Small Block, LS, Each

Part Number: CPI-APU-31V-AS

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.