Performance & Replacement Transmission & Drivetrain Parts

Transmission Dipstick, Braided Stainless Steel Tube, Flexible, Aluminum Handle, Firewall Mount, TH350, TH400, Each

Part Number: LOK-TD-3350400FM

4.67 out of 5 stars ( 89 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

• Free Shipping

Flexplate, Chevy, 168-Tooth, Internal Engine Balance, 2-Piece Rear Main Seal, SFI 29.1, Each

Part Number: ATI-915541

4.85 out of 5 stars ( 34 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

• Free Shipping

Flexplate, 168-Tooth, External Engine Balance, 2-Piece Rear Main Seal, SFI 29.1, Chevy, 454, Each

Part Number: SUM-G102SFI

4.49 out of 5 stars ( 59 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Clutch, HD/Perf Street Sprung, With Flywheel, Acura, Honda, Kit

Part Number: ACL-HC10-HDSS

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

• Free Shipping

Torque Converter, Holeshot, 2,900-3,200 rpm Stall Range, GM, THM350/THM400, Each

Part Number: BMM-20483

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

• Free Shipping

Driveshaft, Driveline, Self-adjusting, 3.219 in. Diameter, Balanced, Steel, Rear, Chevy, Each

Part Number: CLP-CPSSD

4.38 out of 5 stars ( 13 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

• Free Shipping

Automatic Shifter, GM, 6L80, 8 in. Single Bend Chrome Stick, Original Brushed Mushroom Knob, Each

Part Number: LOK-ES6L80EM

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

• Free Shipping

Differential, Eaton Detroit Truetrac, 30-Spline, GM, 10.5 in. Ring Gear, 4.10 and Lower Ratios, Each

Part Number: ETN-915A545

4.62 out of 5 stars ( 13 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

• Free Shipping
• $75 Summit Bucks

Ring and Pinion Gears, 4.11:1 Ratio, 30-spline, Standard Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: MGR-GM10-411A

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

• Free Shipping

Transmission Pan, Stock Depth, Aluminum, Polished, Finned, TH350, GM, Chevy, Oldsmobile, Pontiac, Each

Part Number: SUM-G3890

3.75 out of 5 stars ( 12 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Clutch Kit, Organic/Feramic, Clutch, Pressure Plate, Flywheel, Bearing, Alignment Tool, Hardware, Dodge, Kit

Part Number: SBB-G56-OFEK

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

• Free Shipping

Clutch Kit, StreetPro, Organic, 1 1/16 in.- 10-Spline, 11 in. Disc, Ford, V8, Kit

Part Number: MCL-75112

4.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

• Free Shipping

Bellhousing, Quick Time, Steel, Gold Iridited, SFI Approved, Chevy, V6-V8, to Manual Transmission, Kit

Part Number: QTI-RM-6022

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

• Free Shipping

Clutch Kit, Super StreetPro, Organic/Ceramic, 1 1/8 in. Diameter Shaft, 10-Spline, 10.5 in. Diameter Disc, Kit

Part Number: MCL-75217

4.46 out of 5 stars ( 28 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

• Free Shipping

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: SUM-741001

4.28 out of 5 stars ( 36 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

• Free Shipping

Clutch Kit, Organic, Clutch, Pressure Plate, Flywheel, Throw-out Bearing, Alignment Tool, Hardware, Dodge, Kit

Part Number: SBB-1947-OK-HD

4.72 out of 5 stars ( 18 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

• Free Shipping

Torque Converter, Pro LS, 11 in. Diameter, Chevy, 4L60E/4L65E/4L70E, 3,000-3,200 Stall, Each

Part Number: SUM-700340

4.0 out of 5 stars ( 11 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

• Free Shipping

Steering Column Shift Linkage, 26 in. Long, Adjustable, Column Arm, Billet Aluminum, Natural Finish, for GM Truck/Transmissions, Each

Part Number: LOK-ACA-1811

4.8 out of 5 stars ( 10 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Bellhousing, Quick Time, Ford, Small Block, Cleveland, T5, 3550, TKO, Kit

Part Number: QTI-RM-6060

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

• Free Shipping

Gear, Ring and Pinion, 3.73:1 Ratio, Ford, 8.8 in., Set

Part Number: FMS-M-4209-88373

4.85 out of 5 stars ( 48 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

• Free Shipping

Clutch Kit, Organic Disc, 11 in. Diameter, 1-1/8 in. Shaft, 26-Spline, Buick, Chevy, Olds, Pontiac, Kit

Part Number: SUM-700808

4.65 out of 5 stars ( 23 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

• Free Shipping

Transmission Pan, Deep, Aluminum, Natural, GM, TH400, Each

Part Number: BMM-20280

4.59 out of 5 stars ( 58 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

• Free Shipping

Transmission Pan, Deep, Aluminum, Natural, 2 qt. Capacity Increase, TH400, Buick, Chevy, Olds, Pontiac, Each

Part Number: FTI-F4013

3.24 out of 5 stars ( 17 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

• Free Shipping

Shifter, Short Throw, Black Anodized Flat Stick, Black Knob, Each

Part Number: BAA-BC-0914-1FBB

4.86 out of 5 stars ( 73 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

• Free Shipping

Transmission Dipstick, Braided Stainless Steel, Black, Firewall Mount, Chevy, 4L80E, Each

Part Number: LOK-XTD-34L80FM

4.5 out of 5 stars ( 8 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

• Free Shipping