CHEVROLET Chevy small block Gen III/IV (LS-based engines) Transmission & Drivetrain

Differential, Eaton Detroit Truetrac, Limited Slip, 30-Spline, GM, 8.5/8.6 in., 2.73 & up, Each

Part Number: ETN-913A481

4.86 out of 5 stars ( 132 )

Estimated Ship Date: Today

• Free Shipping
• $75.00 Summit Bucks

Differential, Eaton Detroit Truetrac, 30-Spline, AAM, 11.5 in., 14-Bolt, Each

Part Number: ETN-915A568

4.64 out of 5 stars ( 11 )

Estimated Ship Date: Today

• Free Shipping
• $75.00 Summit Bucks

Differential, Detroit Truetrac, 32-Spline, Chevy, 218mm AAM, Each

Part Number: ETN-912A686

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Today

• Free Shipping
• $75.00 Summit Bucks

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

Part Number: ETN-915A545

4.58 out of 5 stars ( 12 )

Estimated Ship Date: Today

• Free Shipping
• $75.00 Summit Bucks

Differential, Eaton Detroit Truetrac, 28-Spline, GM 7.5 in., Each

Part Number: ETN-912A317

4.31 out of 5 stars ( 16 )

Estimated Ship Date: Today

• Free Shipping
• $75.00 Summit Bucks

Differential Carrier, Detroit Truetrac, GM 9.5/9.76 in., 33-spline Axle Shaft, Designed for 3.42-3.73 Gear Ratios, Rear, Cadillac, Chevy, GMC, Each

Part Number: ETN-917A732

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping
• $75.00 Summit Bucks

Differential, Eaton Detroit Truetrac, 33-Spline, GM, 14-Bolt, 9.5 in., Each

Part Number: ETN-914A538

4.44 out of 5 stars ( 9 )

Estimated Ship Date: Today

• Free Shipping
• $75.00 Summit Bucks

Torque Converter, Lockup, Balanced, Billet Cover and Piston, 4L80E, LS1, Each

Part Number: TOS-10090LS

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping
• $100.00 Summit Bucks

Differential, Eaton Detroit Truetrac, 30-Spline, GM, 10.5 in. Ring Gear, 4.56 and Higher Ratios, Each

Part Number: ETN-915A547

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping
• $75.00 Summit Bucks

Flywheel Bolts, High Performance, Chromoly, Black Oxide, 12-point, 11mm x 1.5, Chevy, Set of 6

Part Number: QTM-505007

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• $10.00 Summit Bucks

Differential, Detroit Truetrac, 37-Spline, Dana 80, 4.10:1+ Higher, Each

Part Number: ETN-916A427

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Aug 11, 2025 if ordered today

• Free Shipping
• $75.00 Summit Bucks
• Special Order

Flexplate, Steel, Lightweight, 153-Tooth, Internal Balance, 1-Piece Seal, Chevy, LS, Direct Drive, Each

Part Number: QTM-509177

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping
• $10.00 Summit Bucks

Clutch Kit, Optimum-RR, Race, Triple Disc, Sintered Bronze Disc Material, 8- Paddle Disc, Solid Hub, Chevy, Kit

Part Number: QTM-38815190TL

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping
• $10.00 Summit Bucks

Clutch Kit, Optimum-RR, Rally, Dual Disc, Sintered Bronze Disc Material, 8- Paddle Disc, Solid Hub, Chevy, Kit

Part Number: QTM-38815190TLR

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping
• $10.00 Summit Bucks

Flywheel, Button-Style, Billet Steel, Internal Engine Balance, One-piece Rear Seal, Chevy, Each

Part Number: QTM-509127

Not Yet Reviewed

Estimated Ship Date: Jul 21, 2025 if ordered today

• Free Shipping
• $10.00 Summit Bucks
• Special Order

Differential, Posi Performance, Electric Locker, 30-Spline, GM, 8.5 in., Each

Part Number: ETN-19659-010

Not Yet Reviewed

• Free Shipping
• $150.00 Summit Bucks
• Special Order

Differential, Detroit Truetrac, 37-Spline, Dana 80, 3.73:1+ Lower, Each

Part Number: ETN-916A566

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

• Free Shipping
• $75.00 Summit Bucks
• Special Order

Clutch and Bellhousing, V-Drive Clutch, 3-Disc, 5.50 in., 26-Spline, Bellhousing, Aluminum, Chevy, Kit

Part Number: QTM-10038591LS

Not Yet Reviewed

Estimated Ship Date: Jul 21, 2025 if ordered today

• Free Shipping
• $10.00 Summit Bucks
• Special Order

Clutch Kits, Chevy Gen5 Camaro Clutch Kit, Twin Disc Optimum SR Clutch Kit

Part Number: QTM-221590-R

Not Yet Reviewed

Estimated Ship Date: Jul 21, 2025 if ordered today

• Free Shipping
• $10.00 Summit Bucks
• Special Order

Clutch Kits, Chevy C5 Corvette Clutch Kit, Twin Disc Optimum SR Clutch Kit

Part Number: QTM-221591R

Not Yet Reviewed

Estimated Ship Date: Jul 21, 2025 if ordered today

• Free Shipping
• $10.00 Summit Bucks
• Special Order

Clutch Kits, Chevy C5 Corvette Clutch Kit, Twin Disc Optimum SR Clutch Kit

Part Number: QTM-221592-R

Not Yet Reviewed

Estimated Ship Date: Jul 21, 2025 if ordered today

• Free Shipping
• $10.00 Summit Bucks
• Special Order

Clutch Kits, Camaro 5th Gen, Twin Disc Clutch Kit, Optimum RR 7.25 in. Twin for Gen5 Camaro, Kit

Part Number: QTM-38815190GRT

Not Yet Reviewed

Estimated Ship Date: Jul 21, 2025 if ordered today

• Free Shipping
• $10.00 Summit Bucks
• Special Order

Clutch Kit, Optimum-RR, Dual Disc, Sintered Bronze Disc Material, 8- Paddle Disc, Solid Hub, Chevy, Kit

Part Number: QTM-38815191TLR

Not Yet Reviewed

Estimated Ship Date: Jul 21, 2025 if ordered today

• Free Shipping
• $10.00 Summit Bucks
• Special Order

Clutch and Bellhousing, Optimum-V Clutch, 2-Disc, 5.50 in., 10-Spline, Bellhousing, Magnesium, Chevy, Kit

Part Number: QTM-150275081LS

Not Yet Reviewed

Estimated Ship Date: Jul 21, 2025 if ordered today

• Free Shipping
• $10.00 Summit Bucks
• Special Order

Crankshaft Drive Hub, Steel, Black, 1.375 in.-10 Spline, 1-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: QTM-180126

Not Yet Reviewed

Estimated Ship Date: Jul 21, 2025 if ordered today

• Free Shipping
• $10.00 Summit Bucks
• Special Order