CHEVROLET 7.4L/454 Chevy big block Mark IV - Customizable - Free Shipping on Orders Over $109 at Summit Racing

KB Performance Pistons SKB287.030

Piston, Hypereutectic, Dish, 4.280 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB287-030

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Estimated Ship Date: Apr 13, 2026 if ordered today

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KB Performance Pistons SKB398.100

Piston, Hypereutectic, Dome, 4.350 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB398-100

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Estimated Ship Date: Apr 13, 2026 if ordered today

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KB Performance Pistons SKB201.100

Piston, Hypereutectic, Dome, 4.350 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB201-100

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Estimated Ship Date: Apr 13, 2026 if ordered today

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KB Performance Pistons SKB224.100

Piston, Hypereutectic, Flat, 4.350 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB224-100

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Estimated Ship Date: Apr 13, 2026 if ordered today

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KB Performance Pistons SKB257.070

Piston, Hypereutectic, Dome, 4.320 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB257-070

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Callies Compstar Connecting Rods CSB6385DS3B9AH-UW

Connecting Rod, Compstar, Forged, H-Beam, ARP Cap Screws, Bushed Pin, 6.385 in. Length, Chevy, Big Block, Each

Part Number: CPI-6385DS3B9AH1

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Estimated Ship Date: Jun 10, 2026 if ordered today

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Estimated Ship Date: Jun 10, 2026 if ordered today

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Scat Pro Sport H-Beam Connecting Rods 2-45467002200-1

Rod Chevy Pro Sport H-Beam Arp 8740 7/16 Cap Screws 6.700 Lgt 2.200 Jrnl .990 Pin.992, 2-45467002200-1

Part Number: SCA-6670022-1

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Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

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Scat Pro Comp I-Beam Connecting Rods 2-ICR63857/16-1

Connecting Rod, 4340, I-Beam, 12-Point, Cap Screw, 6.385 in. Length, Chevy, Big Block, Each

Part Number: SCA-26385716-1

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Estimated Ship Date: Apr 29, 2026 if ordered today

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Classic Performance Drop Spindle Brake Kits 6570CBK-D

Disc Brakes, Front, Power, Solid Surface Rotors, 1-piston Calipers, 2 in. Drop Spindles, Chevy, Kit

Part Number: CLP-6570CBKD

4.5 out of 5 stars ( 6 )

Estimated Ship Date: May 13, 2026 if ordered today

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Estimated Ship Date: May 13, 2026 if ordered today

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Eagle H-Beam Connecting Rods CRS67003DL19-1

Connecting Rods, 4340 Steel, H-Beam, 6.700 in., Cap Screw, Bushed, Chevy, Ford, Big Block, Each

Part Number: ESP-67003DL19-1

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Estimated Ship Date: May 20, 2026 if ordered today

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Estimated Ship Date: May 20, 2026 if ordered today

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Crower Lightweight Crankshafts LW95134

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.125 in. Stroke, Custom Order, Chevy, 454

Part Number: CRO-LW95134

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Estimated Ship Date: Jul 29, 2026 if ordered today

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Crower Standard Series Crankshafts 95139

Crankshaft, 2-piece seal, External balance, Forged 4340 Steel, 4.625 in. Stroke, Chevy, Each

Part Number: CRO-95139

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Estimated Ship Date: Jul 29, 2026 if ordered today

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Crower Maxi-Light Crankshafts ML95137

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.500 in. Stroke, Custom Order, Chevy, 454

Part Number: CRO-ML95137

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Estimated Ship Date: Jul 29, 2026 if ordered today

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Crower Enduro Crankshafts E95140X4

Crankshaft, 2-Piece Seal, External Balance, Forged 4340 Steel, 4.750 in. Stroke, Custom Order, Chevy, 454

Part Number: CRO-E95140X4

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Estimated Ship Date: Jul 29, 2026 if ordered today

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Crower Standard Series Crankshafts 95137

Crankshaft, 2-piece seal, External balance, Forged 4340 Steel, 4.500 in. Stroke, Chevy, Each

Part Number: CRO-95137

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Estimated Ship Date: Jul 29, 2026 if ordered today

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Crower Standard Series Crankshafts 95133

Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, Each

Part Number: CRO-95133

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Estimated Ship Date: Jul 29, 2026 if ordered today

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Zumbrota Remanufactured Axle Assemblies RAA435-1656C-P

Axle Assembly, Remanufactured, Limited Slip, 4.10:1 Ratio, Each

Part Number: ZUD-RAA4351656CP

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Zumbrota Remanufactured Axle Assemblies RAA435-1657D

Axle Assembly, Remanufactured, Open, 4.56:1 Ratio, Each

Part Number: ZUD-RAA435-1657D

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Zumbrota Drivetrain Axle Assemblies RAA434-1145C

Reman Dana 60 Axle Assembly for 1977-91 GM K30 & V3500, 4.10 Ratio

Part Number: ZUD-RAA434-1145C

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Crower Standard Series Crankshafts 95135

Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 4.250 in. Stroke, Chevy, Each

Part Number: CRO-95135

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Estimated Ship Date: Jul 29, 2026 if ordered today

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Classic Performance Complete Front and Rear Big Brake Kits 6869FRBK-BB

Disc Brakes, Front and Rear Big, Cross-drilled/Slotted Surface Rotors, Black, Economy Powder Coat, Chevy, Pontiac, Kit

Part Number: CLP-6869FRBK-BB

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

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Zumbrota Remanufactured Transfer Cases RTC241G-9

Transfer Case, Remanufactured, Chain Driven, 27-Spline, New Venture 241G, Chevy, GMC, Each

Part Number: ZUD-RTC241G-9

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Estimated Ship Date: Tomorrow if ordered today

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Zumbrota Remanufactured Axle Assemblies RAA440-1291D

Axle Assembly, Remanufactured, Open, 4.56:1 Ratio, Each

Part Number: ZUD-RAA440-1291D

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Zumbrota Drivetrain Axle Assemblies RAA435-1896E-P

Reman Axle Assy, GM 12 Bolt 8.875 In., 3.73 Ratio, w/ Posi Traction

Part Number: ZUD-S0102

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Zumbrota Drivetrain Axle Assemblies RAA435-1895F-P

Reman Axle Assy, GM 12 Bolt 8.875 In., 4.11 Ratio, w/ Posi Traction

Part Number: ZUD-S0099

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CHEVROLET 7.4L/454 Chevy big block Mark IV Parts and Accessories