Summit Racing Performance, Restoration & Replacement Parts & Tools

Exhaust System, Turbo-Back, 4.00 inch, Steel, Aluminized, Chevy, GMC, Pickup, 6.6L Diesel, Kit

Part Number: SUM-680005

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Exhaust System, Turbo-Back, 4.00 inch, Steel, Aluminized, Chevy, GMC, 6.6L Diesel, Kit

Part Number: SUM-680004

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Exhaust System, Turbo-Back, 4.00 inch, Steel, Aluminized, Chevy, GMC, Pickup, 6.6L Diesel, Kit

Part Number: SUM-680003

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 24, 2025 if ordered today

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Exhaust System, Turbo-Back, 4.00 inch, Steel, Aluminized, Dodge, Pickup, 5.9L Diesel, Kit

Part Number: SUM-680001

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Nov 24, 2025 if ordered today

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Exhaust System, Turbo-Back, 4.00 inch, Steel, Aluminized, Ford, Pickup, 7.3L Diesel

Part Number: SUM-680002

5.0 out of 5 stars ( 15 )

Estimated Ship Date: Nov 24, 2025 if ordered today

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Exhaust System, Turbo-Back, 4.00 inch, Steel, Aluminized, Dodge, Pickup, 5.9L Diesel, Kit

Part Number: SUM-680010

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Exhaust System, Turbo-Back, 4.00 inch, Steel, Aluminized, Ford, Pickup, 6.0L Diesel, Kit

Part Number: SUM-680011

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Wastegate, Mechanical, 44mm Diaphragm type, Stainless Base, Black Anodized Aluminum Top Cap, Each

Part Number: SUM-260072

4.94 out of 5 stars ( 16 )

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Pro LS 4340 Rotating Assembly, 408 Cid., 4.030 bore, 4.000 stroke, 24X, 6.125 rod, 8cc dish, 11.1:1 @ 65cc, 10.6:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R24400308

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Pro LS 4340 Rotating Assembly, 408 Cid., 4.030 bore, 4.000 stroke, 24X, 6.125 rod, 20cc dish, 9.8:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R244003020

5.0 out of 5 stars ( 2 )

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Performance Wastegate, 50mm Diaphragm style, Cast Stainless Steel Base, Black Anodized Aluminum Top Cap, 6.2 and 4.6 psi springs installed.

Part Number: SUM-260074

4.4 out of 5 stars ( 5 )

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Pro LS Piston and Rod Kit, 364 Cid., 4.000 bore, 3.622 stroke, 6.098 rod, 2cc Flat Top, 10.7:1 @ 65cc, 10.4:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR360002

5.0 out of 5 stars ( 2 )

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Automatic Transmission, Forward Shift Pattern, Automatic Valve Body, Chevy, 600 HP, TH350, Each

Part Number: SUM-700310-X

2.86 out of 5 stars ( 7 )

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Pro LS 4340 Piston and Rod Kit, 376 Cid., 4.065 bore, 3.622 stroke, 6.125 rod, 2cc dome, 11.6:1 @ 65cc, 10.9:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR36L0652

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Pro LS Piston and Rod Kit, 370 Cid., 4.030 bore, 3.622 stroke, 6.098 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR360302

5.0 out of 5 stars ( 1 )

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Automatic Transmission, Forward Shift Pattern, Automatic Valve Body, Chevy, 700R4, RWD, Each

Part Number: SUM-700700X

2.0 out of 5 stars ( 2 )

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Pro LS 4340 Rotating Assembly, 408 Cid., 4.030 bore, 4.000 stroke, 58x, 6.125 rod, 8cc dish, 11.1:1 @ 65cc, 10.6:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R58400308

5.0 out of 5 stars ( 1 )

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Pro LS Piston and Rod Kit, 325 Cid., 3.780 bore, Standard 3.622 stroke, 6.098 rod, 7cc dish, 9.7:1 @ 61cc, 9.3:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR367807

5.0 out of 5 stars ( 2 )

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Pro LS 4340 Piston and Rod Kit, 364 Cid., 4.000 bore, 3.622 stroke, 6.098 rod, 12cc dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR3600012

5.0 out of 5 stars ( 1 )

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Pro LS Crank and Rods, Forged 4340 Steel Crank, 4 in. Stroke, Forged 4340 Steel H-Beam Rods, 6.125 in. Rod Length, Chevy, LS, Kit

Part Number: SUM-CR4024125

4.0 out of 5 stars ( 1 )

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Pro LS 4340 Rotating Assembly, 408 Cid., 4.030 bore, 4.000 stroke, 58x, 6.125 rod, 20cc dish, 9.8:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R584003020

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PerformanceWastegate, 60mm Piston style, Cast Stainless Base, Black Anodized Aluminum Top Cap, 6.2 and 4.6 psi springs installed.

Part Number: SUM-260073

3.57 out of 5 stars ( 7 )

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Pro LS 4340 Rotating Assembly, 415 Cid., 4.065 bore, 4.000 stroke, 24X, 6.125 rod, 6cc dish, 11.5:1 @ 65cc, 10.9:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R24400656

5.0 out of 5 stars ( 1 )

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Pro LS Rotating Assembly, 330 Cid., 3.810 bore, Standard 3.622 stroke, 24X, 6.125 rod, 7cc dish, 9.8:1 @ 61cc, 9.4:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R2436L8107

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Pro LS 4340 Rotating Assembly, 416 Cid., 4.070 bore, 4.000 stroke, 58x, 6.125 rod, 21cc dish, 9.9:1 @ 65cc, 9.5:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R584007021

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