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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 In Stock Items. Show All 22 Items.
Piston Rings, Plasma-moly, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: HSN-2M139
Estimated Ship Date: Today
Estimated Ship Date: Today
BUILD IT WITH SUMMIT!
Summit Racing™ Piston Rings SUM-133-M139-40
Piston Rings, Moly, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: SUM-133-M139-40
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Moly, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: SUM-133-M139-30
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Moly, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: SUM-133-M139-60
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Moly, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set
Part Number: SUM-133-M139-00
Estimated Ship Date: Today
Estimated Ship Date: Today
Oil Pump, Standard-Volume, GM/Isuzu/Opel, 1.8/1.9L, Each
Part Number: MEL-M139
Not Yet Reviewed
Estimated Ship Date: May 6, 2026 if ordered today
Estimated Ship Date: May 6, 2026 if ordered today
Main Bearings, Competition Series, Standard Size, Tri Metal, 3/4 Groove, Chevy, 302, 305, 350, Set of 5
Part Number: SLP-139M
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, Competition, 0.010 in. Crankshaft Undersize, Tri Metal, 3/4 Groove, Chevy, 302, 305, 350, Set of 5
Part Number: SLP-139M10
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, Competition, 0.020 in. Crankshaft Undersize, Tri Metal, 3/4 Groove, Chevy, 302, 305, 350, Set of 5
Part Number: SLP-139M20
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, for Single Piston, Set
Part Number: HSN-2M139S
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, Competition, 0.001 in. Crankshaft Undersize, Tri Metal, 3/4 Groove, Chevy, 302, 305, 350, Set of 5
Part Number: SLP-139M1
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly
Part Number: HSN-2M139S030
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly
Part Number: HSN-2M139S040
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, Competition, 0.011 in. Crankshaft Undersize, Tri Metal, 3/4 Groove, Chevy, 302, 305, 350, Set of 5
Part Number: SLP-139M11
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly
Part Number: HSN-2M139S060
Not Yet Reviewed
Estimated Ship Date: Apr 23, 2026 if ordered today
Estimated Ship Date: Apr 23, 2026 if ordered today
Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly
Part Number: HSN-2M139S020
Not Yet Reviewed
Estimated Ship Date: Apr 23, 2026 if ordered today
Estimated Ship Date: Apr 23, 2026 if ordered today
Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly
Part Number: HSN-2M139S070
Not Yet Reviewed
Estimated Ship Date: Apr 23, 2026 if ordered today
Estimated Ship Date: Apr 23, 2026 if ordered today
Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly
Part Number: HSN-2M139S010
Not Yet Reviewed
Estimated Ship Date: Apr 23, 2026 if ordered today
Estimated Ship Date: Apr 23, 2026 if ordered today
Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly
Part Number: HSN-2M139S005
Not Yet Reviewed
Estimated Ship Date: Apr 23, 2026 if ordered today
Estimated Ship Date: Apr 23, 2026 if ordered today
