1973 Engines & Components

KB Performance Pistons SKB284.060

Piston, Hypereutectic, Flat, 4.310 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB284-060

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Estimated Ship Date: May 26, 2026 if ordered today

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Estimated Ship Date: May 26, 2026 if ordered today

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KB Performance Pistons SKB385.020

Piston, Hypereutectic, Step Dish, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB385-020

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Estimated Ship Date: May 26, 2026 if ordered today

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Estimated Ship Date: May 26, 2026 if ordered today

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KB Performance Pistons SKB404.030

Piston, Hypereutectic, Flat, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, GM, Each

Part Number: UEM-SKB404-030

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Estimated Ship Date: May 26, 2026 if ordered today

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Estimated Ship Date: May 26, 2026 if ordered today

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KB Performance Pistons SKB404.040

Piston, Hypereutectic, Flat, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, GM, Each

Part Number: UEM-SKB404-040

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Estimated Ship Date: May 26, 2026 if ordered today

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Estimated Ship Date: May 26, 2026 if ordered today

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KB Performance Pistons SKB402.060

Piston, Hypereutectic, Step Dish, 4.420 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB402-060

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Estimated Ship Date: May 26, 2026 if ordered today

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KB Performance Pistons SKB398.STD

Piston, Hypereutectic, Dome, 4.250 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB398-STD

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Estimated Ship Date: May 26, 2026 if ordered today

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Estimated Ship Date: May 26, 2026 if ordered today

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KB Performance Pistons SKB404.020

Piston, Hypereutectic, Flat, 4.020 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, GM, Each

Part Number: UEM-SKB404-020

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Estimated Ship Date: May 26, 2026 if ordered today

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Callies Ultra Connecting Rods U15816-UW

Connecting Rod, Ultra, I-beam, Forged 4330 Steel, 6.800 in. Length, Cap Screw, ARP L19, Floating, Ford, Big Block 385 Series, Each

Part Number: CPI-U15816-1

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Estimated Ship Date: Jul 20, 2026 if ordered today

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Estimated Ship Date: Jul 20, 2026 if ordered today

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Crower Lightweight Crankshafts LW95135

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.250 in. Stroke, Custom Order, Chevy, 454

Part Number: CRO-LW95135

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Estimated Ship Date: Aug 24, 2026 if ordered today

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Estimated Ship Date: Aug 24, 2026 if ordered today

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Crower Lightweight Crankshafts LW95128

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Custom Order, Chevy, 350, 400

Part Number: CRO-LW95128

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Estimated Ship Date: Aug 24, 2026 if ordered today

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Estimated Ship Date: Aug 24, 2026 if ordered today

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Crower Lightweight Crankshafts LW95132

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.760 in. Stroke, Custom Order, Chevy, 454

Part Number: CRO-LW95132

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Estimated Ship Date: Aug 24, 2026 if ordered today

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Estimated Ship Date: Aug 24, 2026 if ordered today

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Crower Standard Series Crankshafts 95123

Crankshaft, 2-piece seal, Internal Balance, Forged 4340 Steel, 3.562 in. Stroke, Custom Order, Chevy, Each

Part Number: CRO-95123

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Estimated Ship Date: Aug 24, 2026 if ordered today

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Crower Ultra Light Crankshafts UL95125

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, Custom Order, Chevy, 350, 400

Part Number: CRO-UL95125

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Estimated Ship Date: Aug 24, 2026 if ordered today

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Crower Ultra Light Crankshafts UL95123

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.562 in. Stroke, Custom Order, Chevy, 350, 400

Part Number: CRO-UL95123

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Estimated Ship Date: Aug 24, 2026 if ordered today

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Silv-O-Lite Hypereutectic Pistons S1143H.040

Piston, Hypereutectic, Dish, 4.400 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-S1143H-040

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Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

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KB Performance Pistons SKB112L.030

Piston, Hypereutectic, Flat, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, GM, V6, V8, Each

Part Number: UEM-SKB112L-030

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Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

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KB Performance Pistons SKB190R.040

Piston, Hypereutectic, Dome, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB190R-040

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Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

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Ross Racing Forged Pistons W99545L

Piston, Forged, Dome, 4.375 in. Bore, Chrysler, Dodge, Jensen, Plymouth, Each

Part Number: ROS-W99545L

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Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

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Ross Racing Forged Pistons W99545R

Piston, Forged, Dome, 4.375 in. Bore, Chrysler, Dodge, Jensen, Plymouth, Each

Part Number: ROS-W99545R

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Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

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Ross Racing Forged Pistons W95861R

Piston, Forged, Dome, 4.155 in. Bore, Chevy, Small Block, Each

Part Number: ROS-W95861R

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Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

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Scat Ultra Q-Lite Connecting Rods 2-35061251888QLS-1

Rod Chevy Pro Sport H-Beam Arp 8740 7/16 Cap Screws 6.125 Lgt 1.888 Jrnl .927 Pin.940, 2-35061251888QLS-1

Part Number: SCA-6612518QLS-1

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Estimated Ship Date: Jun 19, 2026 if ordered today

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Estimated Ship Date: Jun 19, 2026 if ordered today

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Scat Pro Sport H-Beam Connecting Rods 2-45566252249-1

Rod Pontiac Pro Sport H-Beam Arp 8740 7/16 Cap Screws 6.625 Lgt 2.249 Jrnl .980 Pin.995, 2-45566252249-1

Part Number: SCA-66625-1

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Estimated Ship Date: Jun 19, 2026 if ordered today

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Estimated Ship Date: Jun 19, 2026 if ordered today

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Scat Pro Sport H-Beam Connecting Rods 2-45566252249PA-1

Rod Pontiac Pro Sport H-Beam Arp 2000 7/16 Cap Screws 6.625 Lgt 2.249 Jrnl .980 Pin.995, 2-45566252249PA-1

Part Number: SCA-66625PA-1

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Estimated Ship Date: Jun 19, 2026 if ordered today

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Estimated Ship Date: Jun 19, 2026 if ordered today

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Scat Pro Sport H-Beam Connecting Rods 2-30254002123927-1

Rod Ford Pro Sport H-Beam Arp 8740 7/16 Cap Screws 5.400 Lgt 2.123 Jrnl .927 Pin.830, 2-30254002123927-1

Part Number: SCA-65400927-1

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Estimated Ship Date: Jun 19, 2026 if ordered today

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Scat Pro Sport H-Beam Connecting Rods 2-45463852200A-1

Rod Chevy Pro Sport H-Beam Arp 2000 7/16 Cap Screws 6.385 Lgt 2.200 Jrnl .990 Pin.992, 2-45463852200A-1

Part Number: SCA-6638522A-1

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Estimated Ship Date: Jun 19, 2026 if ordered today

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