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Engines & Components

Engines & Engine Parts

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Engines & Engine Parts

Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched...

Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched top end kits, and complete rotating assemblies from the biggest names in the industry. You can add a set of high-flow cylinder heads to your powerplant, upgrade your valvetrain, improve your oiling system, or drop in a new set of pistons. We also have a complete selection of crankshafts, connecting rods, harmonic balancers, pulleys, and engine brackets. We even have everything you need to restore the horsepower that time has stolen from your...

Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched top end kits, and complete rotating assemblies from the biggest names in the industry. You can add a set of high-flow cylinder heads to your powerplant, upgrade your valvetrain, improve your oiling system, or drop in a new set of pistons. We also have a complete selection of crankshafts, connecting rods, harmonic balancers, pulleys, and engine brackets. We even have everything you need to restore the horsepower that time has stolen from your daily driver.

Showing All Items, Including Not in Stock Items That Match "3103"

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Results 1 - 25 of 87

COMP Cams Hi-Tech Roller Race Timing Sets 3103CPG

Made in the USA COMP Cams Hi-Tech Roller Race Timing Sets 3103CPG

COMP Cams Hi-Tech Roller Race Timing Sets 3103CPG

Timing Chain and Gear Set, Hi-Tech, Double Roller, Steel Sprockets, Mopar, Small Block/Early Hemi, Set

Part Number: CCA-3103

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Trans-Dapt Performance Chrome Engine Dress-Up Kits 3103

Trans-Dapt Performance Chrome Engine Dress-Up Kits 3103

Trans-Dapt Performance Chrome Engine Dress-Up Kits 3103

Engine Dress-Up Kit, Steel, Chrome, Chevy, Small Block, Kit

Part Number: TRD-3103

Not Yet Reviewed

Estimated Ship Date: Jul 6, 2026 if ordered today

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Estimated Ship Date: Jul 6, 2026 if ordered today

OTB Gear Sprocket-Style Engine Dipsticks 3103

OTB Gear Sprocket-Style Engine Dipsticks 3103

OTB Gear Sprocket-Style Engine Dipsticks 3103

Engine Oil Dipstick, Sprocket Style, Engine Block Entry, Polished Aluminum Handle, Chrome Tube, Ford, Each

Part Number: OTT-3103

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

GMB North America - Timing Belt Tensioners for 1995-2005 NEON - 420-3103

GMB North America - Timing Belt Tensioners for 1995-2005 NEON - 420-3103

GMB North America - Timing Belt Tensioners for 1995-2005 NEON - 420-3103

Engine Timing Belt Tensioner

Part Number: GMB-420-3103

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

Denso Products Oil Filters 150-3103

Denso Products Oil Filters 150-3103

Denso Products Oil Filters 150-3103

Engine Oil Filter, Engine Oil Filter

Part Number: DNP-150-3103

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Pro-X Racing Parts - Powersports Wrist Pin Bushings and Bearings for 1983-2001 RM80, 2002-2021 RM85 - 21.3103

Pro-X Racing Parts - Powersports Wrist Pin Bushings and Bearings for 1983-2001 RM80, 2002-2021 RM85 - 21.3103

Pro-X Racing Parts - Powersports Wrist Pin Bushings and Bearings for 1983-2001 RM80, 2002-2021 RM85 - 21.3103

ProX Piston Pin Bearing RM80 '83-01 + RM85 '02-22 14x18x16

Part Number: PXR-21-3103

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Clay Smith Cams Camshafts 160-3103

Clay Smith Cams Camshafts 160-3103

Clay Smith Cams Camshafts 160-3103

Camshaft, Hydraulic Roller Tappet, 284 int./286 exh. Advertised Duration, 0.559 int./0.530 exh. Lift, 107 Lobe Separation, Chevy, Each

Part Number: HPC-160-3103

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

COMP Cams Twin Cam Camshafts TC-3103

Made in the USA COMP Cams Twin Cam Camshafts TC-3103

COMP Cams Twin Cam Camshafts TC-3103

Camshafts, Hydraulic Roller Tappet, 242/250 Duration, 0.569/0.569 Lift, Harley-Davidson®, Chain Drive, Pair

Part Number: CCA-TC-3103

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

Clay Smith Cams Camshafts 150-3103

Clay Smith Cams Camshafts 150-3103

Clay Smith Cams Camshafts 150-3103

Camshaft, Hydraulic Roller Tappet, 292 int./294 exh. Advertised Duration, 0.548 int./0.510 exh. Lift, 108 Lobe Separation, Retro, Chevy, Each

Part Number: HPC-150-3103

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Clay Smith Cams Camshafts 150-3103-S

Clay Smith Cams Camshafts 150-3103-S

Clay Smith Cams Camshafts 150-3103-S

Camshaft, Hydraulic Roller Tappet, 292 int./294 exh. Advertised Duration, 0.548 int./0.510 exh. Lift, 108 Lobe Separation, Retro, Chevy, Each

Part Number: HPC-150-3103-S

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

INA Timing Chains ZC-9-3103

INA Timing Chains ZC-9-3103

INA Timing Chains ZC-9-3103

Chain Kit

Part Number: IFE-ZC-9-3103

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

Clay Smith Cams Camshafts 160-3103-S

Clay Smith Cams Camshafts 160-3103-S

Clay Smith Cams Camshafts 160-3103-S

Camshaft, Hydraulic Roller Tappet, Stepped Front, 284 int./286 exh. Advertised Duration, 0.559 int./0.530 exh. Lift, 107 Lobe Separation, Chevy, Each

Part Number: HPC-160-3103-S

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

J&L Oil Separator Co. 3.0 Oil Separators for 2004-2015 TITAN - 3103P-B

J&L Oil Separator Co. 3.0 Oil Separators for 2004-2015 TITAN - 3103P-B

J&L Oil Separator Co. 3.0 Oil Separators for 2004-2015 TITAN - 3103P-B

Oil Catch Can, Oil Separator, Round, Billet Aluminum, Black Anodized, 3/8 in. NPT Female Threads, Passenger Side, for Nissan, 5.6L, Kit

Part Number: JLT-3103P-B

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

Scorpion Endurance Series Rocker Arms SCP3103

Made in the USA Scorpion Endurance Series Rocker Arms SCP3103

Scorpion Endurance Series Rocker Arms SCP3103

Rocker Arms, Endurance Series, Stud Mount, Full Roller, Fits 7/16 in. Stud. Aluminum, 1.8 Ratio, AMC, Set of 16

Part Number: SCC-SCP3103

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Ross Pistons Piston Rings R3103

Ross Pistons Piston Rings R3103

Ross Pistons Piston Rings R3103

78.75mm (3.100) 1.5, 1.5, 3.0m

Part Number: ROS-R3103

Not Yet Reviewed

Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

J&L Oil Separator Co. 3.0 Oil Separators for 2004-2015 TITAN - 3103P-C

J&L Oil Separator Co. 3.0 Oil Separators for 2004-2015 TITAN - 3103P-C

J&L Oil Separator Co. 3.0 Oil Separators for 2004-2015 TITAN - 3103P-C

Oil Catch Can, Oil Separator, Round, Billet Aluminum, Clear Anodized, 3/8 in. NPT Female Threads, Passenger Side, for Nissan, 5.6L, Kit

Part Number: JLT-3103P-C

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

Scorpion Endurance Series Rocker Arms SCP3103-1

Made in the USA Scorpion Endurance Series Rocker Arms SCP3103-1

Scorpion Endurance Series Rocker Arms SCP3103-1

Rocker Arms, Endurance Series, Stud Mount, Full Roller, Fits 7/16 in. Stud. Aluminum, 1.8 Ratio, AMC, Each

Part Number: SCC-SCP3103-1

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

Melling Timing Chain Sets for 2011-2014 F-150, 2011 MUSTANG - 3-1036S

Melling Timing Chain Sets for 2011-2014 F-150, 2011 MUSTANG - 3-1036S

Melling Timing Chain Sets for 2011-2014 F-150, 2011 MUSTANG - 3-1036S

Timing Chain Set, Single Roller Timing Chain Style, Steel Crank Gear, Tensioner, Guide, DOHC, Ford, 5.0L, Set

Part Number: MEL-3-1036S

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

COMP Cams Xtreme Energy DLC Hydraulic Flat Tappet Lifters 310303016

COMP Cams Xtreme Energy DLC Hydraulic Flat Tappet Lifters 310303016

COMP Cams Xtreme Energy DLC Hydraulic Flat Tappet Lifters 310303016

Lifters, Xtreme Energy, DLC Coated, Hydraulic Flat Tappet, 0.904 in. Diameter, AMC, Dodge, Chrysler, Plymouth, Set of 16

Part Number: CCA-310303016

5.0 out of 5 stars ( 1 )

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Milodon Gen III Hemi Oil Pans for 2015-2023 CHALLENGER, CHARGER - 31034

Milodon Gen III Hemi Oil Pans for 2015-2023 CHALLENGER, CHARGER - 31034

Milodon Gen III Hemi Oil Pans for 2015-2023 CHALLENGER, CHARGER - 31034

Oil Pans, Street/Strip, Steel, 7 Quart Capacity, 8.00 in. Deep, Wet Sump, Baffled, Gold, Dodge, 6.2L, Each

Part Number: MIL-31034

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jul 20, 2026 if ordered today

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Estimated Ship Date: Jul 20, 2026 if ordered today

COMP Cams Lifters 310303116

COMP Cams Lifters 310303116

COMP Cams Lifters 310303116

TAPPET, DLC SOLID FLAT TAPPET .904" DIA AMC/CHRYSLER APPS SET 8 CYL

Part Number: CCA-310303116

Not Yet Reviewed

Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

Milodon Gen III Hemi Oil Pans 31030

Made in the USA Milodon Gen III Hemi Oil Pans 31030

Milodon Gen III Hemi Oil Pans 31030

Oil Pan, Gen III Hellcat 6.2, Swap to A, B, E Body with Stock K-Member, Mopar, Steel, 6" Deep, 6 Quart, Gold Iridited, Each

Part Number: MIL-31030

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Milodon Gen III Hemi Oil Pans 31033

Made in the USA Milodon Gen III Hemi Oil Pans 31033

Milodon Gen III Hemi Oil Pans 31033

Oil Pans, Drag Race, Steel, 7 Quart Capacity, 8.00 in. Deep, Wet Sump, Baffled, Gold, Dodge, 5.7L, 6.1L, 6.4L, Each

Part Number: MIL-31033

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Melling Timing Chain Sets for 2006-2015 CIVIC, 2016-2022 HR-V - 3-1035S

Melling Timing Chain Sets for 2006-2015 CIVIC, 2016-2022 HR-V - 3-1035S

Melling Timing Chain Sets for 2006-2015 CIVIC, 2016-2022 HR-V - 3-1035S

Engine Timing Set, Stock Replacement Timing Kit

Part Number: MEL-3-1035S

Not Yet Reviewed

Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

Melling Timing Chain Sets 3-1038SX

Melling Timing Chain Sets 3-1038SX

Melling Timing Chain Sets 3-1038SX

Engine Timing Set, Stock Replacement Timing Kit

Part Number: MEL-3-1038SX

Not Yet Reviewed

Estimated Ship Date: May 20, 2026 if ordered today

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Estimated Ship Date: May 20, 2026 if ordered today