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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.
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Piston Rings, Moly, 4.185 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: SLP-E-243K60
Estimated Ship Date: Today
Estimated Ship Date: Today
BUILD IT WITH SUMMIT!
Summit Racing™ Pro GPX Gas Ported Piston Rings SUM-GP418543
Piston Rings, Pro GPX Gas Ported, 4.185 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3.0mm Thickness, V8, Set
Part Number: SUM-GP418543
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Plasma-moly, 4.185 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: TSR-CR0690-65
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pistons, Hypereutectic, Dome, 4.185 in. Bore, Chevy, Set of 8
Part Number: UEM-KB160-060
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Performance Series, 4.185 in. Bore, File Fit, 0.043 in., 0.043 in., 3.0mm, 8-Cylinder, Set
Part Number: MLE-4190ML-043
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Cast Iron, 4.185 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: SUM-133-661-60
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pistons, Hypereutectic, Flat, 4.185 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8
Part Number: UEM-9911HC-060
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring Compressor, Aluminum, Black Anodized, Non-Adjustable, 4.185 in., Each
Part Number: TSR-RC4185
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Plasma-moly, 4.185 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: TSR-CR0690-60
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pistons, Forged, Flat, 4.185 in. Bore, Oldsmobile, Set of 8
Part Number: CNN-BO7040-060-8
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pistons, Red Series, Forged Aluminum, 4.185 Bore, -6.60cc Flat, 4.000 in. Stroke, 6.000 Rod, Chevy, Small Block, Set of 8
Part Number: WIS-RED0007X6
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Piston and Ring Kit, Forged, Flat, 4.185 in. Bore, Pontiac, V8, Kit
Part Number: UEM-IC937KTD-060
Not Yet Reviewed
Estimated Ship Date: May 14, 2026 if ordered today
Estimated Ship Date: May 14, 2026 if ordered today
Pistons, Forged, Dish, 4.185 in. Bore, Oldsmobile, Set of 8
Part Number: SLP-L2323F60
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston and Ring Kit, Powerpak, LSX, Dome, 4.185 in. Bore, 4.00 in. Stroke, Forged Aluminum, Chevy, LS, Set of 8
Part Number: MLE-930229785
Not Yet Reviewed
Estimated Ship Date: Apr 21, 2026 if ordered today
Estimated Ship Date: Apr 21, 2026 if ordered today
Piston Rings, Gas Nitrided, 4.185 in. Bore, 0.047 in., 0.047 in., 3.0mm Thickness, 1-Piston, Set
Part Number: WIS-4188GFM
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Plasma-moly, 4.185 in. Bore, 1.2mm, 1.2mm, 2.0mm Thickness, Single Piston, Set
Part Number: WIS-4185LS
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Plasma-moly, 4.185 in. Bore, 1/16 in, 1/16 in. 3/16 in. Thickness, 8-Cylinder, Set
Part Number: JEP-J100F8-41855
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Piston Set, 400 SBC SX Series -16cc Dish Top Piston Set. 4.185 bore
Part Number: DMS-8123-4185
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Pistons, Forged, Dome, 4.185 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Small Block, Set of 8
Part Number: UEM-IC893-060
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Piston and Ring Kit, Forged, Flat Top, 4.185 in. Bore, Chevy, LS, Kit
Part Number: MLE-930226985
Not Yet Reviewed
Estimated Ship Date: Apr 21, 2026 if ordered today
Estimated Ship Date: Apr 21, 2026 if ordered today
Pistons, Forged, Flat, 4.185 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Small Block, Set of 8
Part Number: UEM-IC849-060
Not Yet Reviewed
Estimated Ship Date: May 14, 2026 if ordered today
Estimated Ship Date: May 14, 2026 if ordered today
Piston Set, 400 SBC SX Series +4cc Dome Top Piston Set. 4.185 bore
Part Number: DMS-K8127-4185
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Piston Rings, 4.185 in. Bore, 1.0 mm, 1.0 mm, 2.0 mm, V8, Set
Part Number: MLE-4190MS-112
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston and Ring Kit, Hypereutectic, Dish, 4.185 in. Bore, Chevy, Small Block, Kit
Part Number: UEM-KB147KTM-060
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Piston and Ring Kit, PowerPak, 4.185 in. Bore, 4.00 in. Stroke, 6.00 in. Rod, Domed, Forged, Chevrolet, Small Block Gen I, Kit
Part Number: MLE-197830085
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
