Availability
Engine Rotating Assemblies & Rebuild Kits
Engine Rotating Kits, Pro LS Crank and Rod Kits, Forged 4340 Steel, 6.125 in. Connecting Rod Length, 3.622 in. Stroke, Chevy, 5.3L, 6.0L, 6.2L, Kit
Part Number: SUM-CR3658125
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Rotating Kits, Pro LS Crank and Rod Kits, Forged 4340 Steel, 6.125 in. Connecting Rod Length, 3.622 in. Stroke, Chevy, 5.3L, 5.7L, 6.0L, Kit
Part Number: SUM-CR3624125
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LS 4340 Piston and Rod Kit, 417 Cid., 4.075 bore, 4.000 stroke, 6.125 rod, 6cc dish, 11.5:1 @ 65cc, 11:1 @ 70cc, File-Fit Rings
Part Number: SUM-PR400756
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LS 4340 Piston and Rod Kit, 410 Cid., 4.040 bore, 4.000 stroke, 6.125 rod, 8cc dish, 11.2:1 @ 65cc, 10.6:1 @ 70cc, File-Fit Rings
Part Number: SUM-PR400408
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LS 4340 Piston and Rod Kit, 371 Cid., 4.040 bore, 3.622 stroke, 6.098 rod, 12cc dish, 9.8:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings
Part Number: SUM-PR3604012
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LS 4340 Piston and Rod Kit, 417 Cid., 4.080 bore, 4.000 stroke, 6.125 rod,, File-Fit Rings 6cc dish, 11.6:1 @ 65cc, 11:1 @ 70cc
Part Number: SUM-PR400806
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Re-Ring, Moly, 4.030 in. Bore, .010 in. Rod, .010 in. Main, Ford, 302, Kit
Part Number: FEM-205760M-311
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Re-Ring, Moly, 3.910 in. Bore, Standard Rod, Standard Main, Dodge, 5.2, Kit
Part Number: FEM-205-6334M000
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Top End Engine Kit, Sidewinder Big Bore, Black Wrinkle Finish, 4 in., Forged Piston, Harley-Davidson®, Kit
Part Number: SSY-910-0651
Not Yet Reviewed
Estimated Ship Date: May 6, 2026 if ordered today
Estimated Ship Date: May 6, 2026 if ordered today
Engine Re-Ring, Moly, 3.736 in. Bore, Standard Rod, Standard Main, Chevy, 305, Kit
Part Number: FEM-205647M-000
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Re-Ring, Moly, 4.060 in. Bore, Standard Rod, Standard Main, Ford, Lincoln, Mercury, 302, Kit
Part Number: FEM-205-653M-600
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Re-Ring, Moly Rings, 4.360 in. Bore, Standard Rod, Standard Main, Ford, 460, Kit
Part Number: FEM-2056123M-000
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LS 4340 Piston and Rod Kit, 359 Cid., 3.780 bore, 4.000 stroke, 6.125 rod, 5cc dish, 10.9:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Rings
Part Number: SUM-PR407805
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LS 4340 Piston and Rod Kit, 364 Cid., 3.810 bore, 4.000 stroke, 6.125 rod, 5cc dish, 11:1 @ 61cc, 10.5:1 @ 65cc, File-Fit Rings
Part Number: SUM-PR408105
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Re-Ring, Moly, 4.150 in. Bore, .010 in. Rod, .010 in. Main, Pontiac, 400, Kit
Part Number: FEM-205640M-311
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT
Part Number: NTI-NA-30008K
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Re-Ring, Moly, 3.766 in. Bore, .010 in. Rod, .010 in. Main, Chevy, 305, Kit
Part Number: FEM-205-6285M311
Estimated Ship Date: Today
Estimated Ship Date: Today
Repair Kit, Top End, 85.47mm Bore, for use on Honda®, Kit
Part Number: NTI-NA-10040-2K
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
Engine Rebuild Kit, Premium Remain Kit, Standard Size, 4.00 in. Bore, Rings, Main/Rod Bearings, Gaskets, Chevy, GMC, 5.7L Kit
Part Number: EGN-RMC350AP-000
Not Yet Reviewed
Estimated Ship Date: May 7, 2026 if ordered today
Estimated Ship Date: May 7, 2026 if ordered today
Engine Re-Ring, Cast, 4 in. Bore, Standard Rod, Standard Main, Ford, 302, Kit
Part Number: FEM-205260M-000
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Re-Ring, Moly, 4.125 in. Bore, Standard Rod, Chevy, 400, Kit
Part Number: FEM-205618-00
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Re-Ring, Moly, 4.080 in. Bore, Standard Rod, Standard Main, Ford, Car/Truck, 360/390, Kit
Part Number: FEM-205-601M300
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
BOTTOM END KIT Polaris
Part Number: HRI-HR00110
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Big Bore Kit, 107 in., Drop-In, 3.937 in. Bore, Wrinkle Black Cylinders with Highlighted Fins, Harley-Davidson®, Kit
Part Number: SSY-910-0500
Not Yet Reviewed
Estimated Ship Date: May 7, 2026 if ordered today
Estimated Ship Date: May 7, 2026 if ordered today
Engine Re-Ring, Moly, 4.350 in. Bore, .010 in. Rod, .010 in. Main, Dodge, 440, Kit
Part Number: FEM-205-632AM311
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster