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...

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Results 1 - 25 of 86

Summit Racing™ Performance Small Block Mopar Connecting Rods SUM-MOP61238I

Forged Pro Mopar SB 4340 Forged Steel I-Beam Connecting Rod, 6.123 in. Length, .984 Floating Pin, 8740 7/16 in. 12 pt. Bolts, Set of 8

Part Number: SUM-MOP61238I

5.0 out of 5 stars ( 2 )

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Summit Racing™ Performance Small Block Mopar Connecting Rods SUM-MOP61238H

Forged Pro Mopar SB 4340 Forged Steel H-Beam Connecting Rod, 6.123 in. Length, .984 Floating Pin, 8740 7/16 in. 12 pt. Bolts, Set of 8

Part Number: SUM-MOP61238H

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COMP Cams Valve Springs 984-16

COMP Cams Valve Springs 984-16

Valve Springs, Single, 1.430 in. Outside Diameter, 231 lbs./in. Rate, 1.150 in. Coil Bind Height, Set of 16

Part Number: CCA-984-16

5.0 out of 5 stars ( 1 )

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Dorman Valve Covers 264-984

Valve Cover, Rear Valve Cover Location, Stock Height, Plastic, Black, for Nissan, Infiniti, 3.5L, Each

Part Number: RNB-264-984

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Mr. Gasket Crankshaft Keys 984G

Crankshaft Key, Short, Chevy, Each 0.750" x 0.188"

Part Number: MRG-984G

5.0 out of 5 stars ( 2 )

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Clevite P-Series Rod Bearings CB-984P(4)

Rod Bearing, P-Series, TM-77, Standard Size, Ford, Mazda, Mercury, Merkur, L4, Set of 4

Part Number: CLE-CB984P4

5.0 out of 5 stars ( 1 )

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Sealed Power Chrome Piston Ring Sets for 2003-2009 RAM 2500, 2003-2007 RAM 3500 - E-984KC

Piston Rings, Chrome, 4.016 in. Bore, 3.0mm, 2.35mm, 4.0mm Thickness, 6-Cylinder, Set

Part Number: SLP-E-984KC

Not Yet Reviewed

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Clevite AL-Series Rod Bearings CB-984A

CONN. ROD BEARING SET

Part Number: CLE-CB984A-AM

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Cloyes Gear - Timing Gears for 2010-2017 VERSA - S984T

Engine Timing Camshaft Sprocket, Engine Timing Camshaft Sprocket

Part Number: CLO-S984T

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

ICON Premium Forged Piston and Ring Kits IC984KTD.060

Piston and Ring Kits, Premium, Forged 2618 Aluminum, 4.060 in. Bore, 4.000 in. Stroke, Dish, Dodge, Small Block, Magnum, Set of 8

Part Number: UEM-IC984KTD-060

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

Eagle Rod Bushings B984-8

PIN BUSHING

Part Number: ESP-B984-8

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

ICON Premium Forged Pistons IC984.060

Piston, Forged Dish, 4.060 in. Bore, Dodge, Small Block Magnum, Set of 8

Part Number: UEM-IC984-060

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

ICON Premium Forged Pistons SIC984L.030

Pistons, Premium, Forged 2618 Aluminum, 4.030 in. Bore, 4.000 in. Stroke, Dish, Left Side, Dodge, Small Block, Magnum, Each

Part Number: UEM-SIC984L-030

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Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

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Eagle Rod Bushings B984-1

SINGLE BUSHING

Part Number: ESP-B984-1

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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

KB Performance Wrist Pins 0984X300K

Wrist Pin, Lightweight, .984 in. Diameter, 3.000 in. Length, Each

Part Number: UEM-0984X300K

5.0 out of 5 stars ( 1 )

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ICON Premium Forged Pistons SIC984R.030

Pistons, Premium, Forged 2618 Aluminum, 4.030 in. Bore, 4.000 in. Stroke, Dish, Right Side, Dodge, Small Block, Magnum, Each

Part Number: UEM-SIC984R-030

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Estimated Ship Date: May 15, 2026 if ordered today

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ICON Premium Forged Pistons SIC984L.040

Pistons, Premium, Forged 2618 Aluminum, 4.040 in. Bore, 4.000 in. Stroke, Dish, Left Side, Dodge, Small Block, Magnum, Each

Part Number: UEM-SIC984L-040

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Estimated Ship Date: May 14, 2026 if ordered today

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Estimated Ship Date: May 14, 2026 if ordered today

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ICON Premium Forged Piston and Ring Kits IC984KTD.040

Piston and Ring Kits, Premium, Forged 2618 Aluminum, 4.040 in. Bore, 4.000 in. Stroke, Dish, Dodge, Small Block, Magnum, Set of 8

Part Number: UEM-IC984KTD-040

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Estimated Ship Date: May 13, 2026 if ordered today

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Estimated Ship Date: May 13, 2026 if ordered today

ICON Premium Forged Pistons SIC984R.040

Pistons, Premium, Forged 2618 Aluminum, 4.040 in. Bore, 4.000 in. Stroke, Dish, Right Side, Dodge, Small Block, Magnum, Each

Part Number: UEM-SIC984R-040

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Estimated Ship Date: May 14, 2026 if ordered today

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Estimated Ship Date: May 14, 2026 if ordered today

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Eagle H-Beam Connecting Rods CRS6243R3D-1

4340 H-BEAM ROD CHRY L.M. HEMI .984" PIN

Part Number: ESP-CRS6243R3D-1

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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

JE Pistons Series 51 Wrist Pins 984-2500-15-51C

Piston Wrist Pin, 51 Series, 5115 Steel, 0.984 in. Diameter, 2.500 in. Length, 0.150 in. Wall Thickness, 125 Grams, Chamfered End, Each

Part Number: JEP-98425001551C

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

Clevite P-Series Rod Bearings CB-984P

FORD PRODUCTS 4, 140, 197

Part Number: CLE-CB984P-AM

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ICON Premium Forged Pistons IC984.040

Piston, Forged Dish, 4.040 in. Bore, Dodge, Small Block Magnum, Set of 8

Part Number: UEM-IC984-040

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

United Engine and Machine Wrist Pins R73

Wrist Pin, Tool Steel, .984 in. Diameter, 2.750 in. Length, 107 Grams, Each

Part Number: UEM-R-73

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JE Pistons Series 51 Wrist Pins 984-2750-15-51S

Piston Wrist Pin, 51 Series, 5115 Steel, 0.984 in. Diameter, 2.750 in. Length, 0.150 in. Wall Thickness, 138 Grams, Straight End, Each

Part Number: JEP-98427501551S

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

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