Transmissions & Transmission Parts

Manual Transmission and Installation Kit Combo, EasyFit Tremec TKX, 5 Gears, 1.125 in. - 26-spline, 31-spline Output, Crossmember, Mount, Chevy, Kit

Part Number: IST-EFKC2TKX

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 26, 2026 if ordered today

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Servo, Externally Adjustable Low/Reverse, Aluminum, Blue Anodized, GM, TH400, Kit

Part Number: SOX-34914-20K

Not Yet Reviewed

Estimated Ship Date: Dec 30, 2025 if ordered today

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• $10 Summit Bucks

Clutch Kit, Centerforce II, 1.125 in. - 26-spline, Organic Disc, Pressure Plate, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: CTF-KCFT485216

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Torque Converter, Saturday Night Special, Chevy, TH350, TH400, 12 in. Diameter, Each

Part Number: TCI-241500-A

3.18 out of 5 stars ( 17 )

Estimated Ship Date: Today

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Flexplate, 168-Tooth, External Engine Balance, 1-Piece Rear Main Seal, SFI 29.1, Chevy, 5.0/5.7L, Each

Part Number: TCI-399773

4.68 out of 5 stars ( 28 )

Estimated Ship Date: Today

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Bellhousing, Aluminum, for Tremec T-5 w/Shorter 7.18 in. Foxbody Input Shaft and 157-Tooth Flywheel, Ford, Small Block, Each

Part Number: IST-BHF-8640

3.86 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Clutch Kit, RXT, 1 1/8 in. x 26-Spline, 9.688 in. Diameter, Chevy, Ford, Kit

Part Number: MCL-6932-07

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Automatic Transmission Valve Body, Heavy-Duty Remanufactured, Automatic Style, Cast Aluminum, Forward Shift Pattern, 4L60-E/4L65-E, Chevrolet, Kit

Part Number: SOX-GM054-HD

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Core Charge $50.00
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• $10 Summit Bucks

Flexplate, 157-Tooth, External Engine Balance, 28 oz. Imbalance, SFI 29.1, Ford, Small Block, Each

Part Number: SUM-G115SFI

5.0 out of 5 stars ( 12 )

Estimated Ship Date: Today

Flywheel, 164-tooth, Internal Engine Balance, Steel, SFI 1.1, Ford, 3.7L, 4.6L, 5.0L, Each

Part Number: MCL-463458

4.57 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Bellhousing, Manual, Steel, Chevy, Big/Small Block, Each

Part Number: LAK-15000LKW

4.79 out of 5 stars ( 24 )

Estimated Ship Date: Today

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Throwout Bearing, Hydraulic, 1.375 in. Diameter, GM Muncie,T-10, Saginaw, Tremec TKX/TKO, Kit

Part Number: SUM-7001111

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Automatic Transmission Kickdown Cable, Hi-Tech, Natural Braided Stainless Steel, Natural Aluminum Fittings, GM, TH400, Kit

Part Number: LOK-KD2400HT

4.63 out of 5 stars ( 19 )

Estimated Ship Date: Today

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Automatic Transmission, Early 6 bolt GM Bellhousing, Automatic Valve Body, Standard Shift Pattern, GM, 4L80E, 2WD or RWD, 97-99 Electronics, Each

Part Number: SUM-700472

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Automatic Transmission Direct Drum, Iron, GM, 36 Element Sprag Assembly, TH350, Kit

Part Number: TCI-327900

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Torque Converter, Night Stalker, 12 in. Diameter, Lockup, 2,200-2,800 Stall, GM, 4L80E, 2.65 in. Impeller Hub, Each

Part Number: APE-49492

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: SOX-HP-4L80E-01

Not Yet Reviewed

Estimated Ship Date: Today

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• $10 Summit Bucks

Flexplate Bolts, Pro Series, 7/16 in. x 20 RH, .725 in. Length, Chevy, Big Block, Small Block V6, Set of 6

Part Number: ARP-200-2906

4.87 out of 5 stars ( 83 )

Estimated Ship Date: Today

Flywheel, Steel, 168-Tooth, 22 lb., Internal/External Balance, Chevy, Small Block, Big Block, Each

Part Number: MCL-460122

3.63 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Flexplate, 168-Tooth, Billet Steel, Internal Balance, GM LS Series, 6 Bolt Crank, SFI 29.2, Each

Part Number: SUM-G127SFI

Not Yet Reviewed

Estimated Ship Date: Today

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Hays Twister 3/4 Race Torque Converter 1998- UP GM, 4L60E, 4L65E, 2800-3200 RPM stall

Part Number: HAY-97-1H28Q

Not Yet Reviewed

Estimated Ship Date: Today

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Transmission Pan, Deep, Aluminum, Natural, Finned with Summit Logo, Case Fill, Ford, C-4, Case Fill, Each

Part Number: SME-1006

4.55 out of 5 stars ( 20 )

Estimated Ship Date: Mar 19, 2026 if ordered today

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Torque Converter, Street Rod, 2,000 rpm Stall, Chevy, TH350, TH400, Each

Part Number: HUP-GM20

4.21 out of 5 stars ( 39 )

Estimated Ship Date: Today

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Torque Converter, Nitrous Holeshot, 3,200-3,500 rpm Stall, GM, THM350/THM400, Each

Part Number: BMM-20484

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Clutch Kit, Centerforce II, 1.125 in. - 10-spline, Organic Disc, Pressure Plate, Flywheel, Jeep, 3.6L, Kit

Part Number: CTF-KCFT379176

3.86 out of 5 stars ( 7 )

Estimated Ship Date: Today

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