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Summit Racing SpeedCard - learn how to get 15% back up to $150

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Summit Bucks

Buy one of these qualifying items and earn more savings! Similar to gift certificates, Summit Bucks rewards you earn today can be applied to Summit Racing orders in...

Buy one of these qualifying items and earn more savings! Similar to gift certificates, Summit Bucks rewards you earn today can be applied to Summit Racing orders in the future.*

*Not redeemable for cash; cannot be used to buy gift cards.

Buy one of these qualifying items and earn more savings! Similar to gift certificates, Summit Bucks rewards you earn today can be applied to Summit Racing orders in the future.*

*Not redeemable for cash; cannot be used to buy gift cards.

Individual Parts

Part Groups

Results 1 - 11 of 11

Sonnax Shift Improver Performance Packs HP-4L80E-01

Sonnax Shift Improver Performance Packs HP-4L80E-01

Sonnax Shift Improver Performance Packs HP-4L80E-01

Automatic Transmission Valve Body, GM 4L80-E, 4L85-E, Performance, Each

Part Number: SOX-HP-4L80E-01

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Sonnax Sure Cure® Automatic Transmission Rebuild Kits SC-4L80E

Sonnax Sure Cure® Automatic Transmission Rebuild Kits SC-4L80E

Sonnax Sure Cure® Automatic Transmission Rebuild Kits SC-4L80E

Automatic Transmission Rebuild Kits, Sure Cure Kit, with O-Ring Plug Ends, Boost Valve, Bushings, Springs, Cadillac, Chevy, GMC, 4L80-E, 4L85-E, Kit

Part Number: SOX-SC4L80E

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Sonnax Hydraulic Line Pressure Booster Kits 4L80E-LB1

Sonnax Hydraulic Line Pressure Booster Kits 4L80E-LB1

Sonnax Hydraulic Line Pressure Booster Kits 4L80E-LB1

Pressure Booster, Hydraulic Line, TV Boost Valve, GM, 4L80E, Kit

Part Number: SOX-4L80E-LB1

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Sonnax Shift Improver Performance Packs HP-4L60E-01

Sonnax Shift Improver Performance Packs HP-4L60E-01

Sonnax Shift Improver Performance Packs HP-4L60E-01

Shift Improver Performance Pack, 4L60E, 4L65E, 4L70E, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: SOX-HP-4L60E-01

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Sonnax Manual Shift Shafts 38511-03K

Sonnax Manual Shift Shafts 38511-03K

Sonnax Manual Shift Shafts 38511-03K

Shift Shaft, 4L80E, Each

Part Number: SOX-38511-03K

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Sonnax Manual Shift Shafts 38511-01K

Sonnax Manual Shift Shafts 38511-01K

Sonnax Manual Shift Shafts 38511-01K

Manual Shift, Metric Flange Nuts, GM, 4L80E, without External NSS, Each

Part Number: SOX-38511-01K

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Sonnax Shift Cable Mounting Brackets 34913-01

Sonnax Shift Cable Mounting Brackets 34913-01

Sonnax Shift Cable Mounting Brackets 34913-01

Automatic Transmission Bracket and Lever, Shift Cable Mounting Bracket, Steel, Black, 4L60-E/4L80-E, Chevrolet, GMC, Each

Part Number: SOX-34913-01

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Sonnax Valve Bodies GM033

Sonnax Valve Bodies GM033

Sonnax Valve Bodies GM033

Automatic Transmission Valve Body, Heavy-Duty, Remanufactured, Cast Iron, Standard Shift Pattern, 4L80-E, 4L85-E, Each

Part Number: SOX-GM033

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Sonnax Shift Levers 38512-03K

Sonnax Shift Levers 38512-03K

Sonnax Shift Levers 38512-03K

SHIFT LEVER KIT

Part Number: SOX-38512-03K

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Sonnax Manual Shift Shafts 38511-04K

Sonnax Manual Shift Shafts 38511-04K

Sonnax Manual Shift Shafts 38511-04K

MANUAL SHAFT KIT

Part Number: SOX-38511-04K

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Fine Lines Transmission Cooler Lines TTC0405SS

Fine Lines Transmission Cooler Lines TTC0405SS

Fine Lines Transmission Cooler Lines TTC0405SS

Fluid Cooler Lines, Transmission Cooler Lines, Stainless Steel, Chevy, GMC, Pair

Part Number: FNL-TTC0405SS

Not Yet Reviewed

Estimated Ship Date: Feb 6, 2026 if ordered today

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Estimated Ship Date: Feb 6, 2026 if ordered today

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