Engine Rotating Assemblies & Rebuild Kits

Pro LS 4340 Piston and Rod Kit, 416 Cid., 4.070 bore, 4.000 stroke, 6.125 rod, 6cc dish, 11.5:1 @ 65cc, 10.9:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR400706

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Pro LS 4340 Piston and Rod Kit, 408 Cid., 4.030 bore, 4.000 stroke, 6.125 rod, 20cc dish, 9.8:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR4003020

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Pro LS 4340 Piston and Rod Kit, 346 Cid., 3.898 bore, 3.622 stroke, 6.125 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings

Part Number: SUM-PR36L8983

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Pro LS Piston and Rod Kit, 332 Cid., 3.820 bore, Standard 3.622 stroke, 6.125 rod, 2cc dome, 11:1 @ 61cc, 10.5:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR36L8202

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Engine Re-Ring, Moly, 4.030 in. Bore, .020 in. Rod, Ford, Lincoln, Mercury, 302, Kit

Part Number: FEM-205653-32

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Repair Kit, Top End, 73.950mm Bore, 9.00 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10002K

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Estimated Ship Date: Nov 11, 2025 if ordered today

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Repair Kit, Top End, 40.000mm Bore, 6.00 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40005K

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Estimated Ship Date: Nov 13, 2025 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30008K

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Top End Engine Kit, Sidewinder Big Bore, Black Wrinkle Finish, 4 in., Forged Piston, Harley-Davidson®, Kit

Part Number: SSY-910-0651

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Estimated Ship Date: Nov 12, 2025 if ordered today

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Engine Re-Ring, Moly, 3.736 in. Bore, Standard Rod, Standard Main, Chevy, 305, Kit

Part Number: FEM-MK6026E-000

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Engine Re-Ring, Cast, 4.360 in. Bore, Standard Rod, Ford, 460, Kit

Part Number: FEM-2051123-00

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BOTTOM END KIT Polaris

Part Number: HRI-HR00117

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Estimated Ship Date: Nov 3, 2025 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00114

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Estimated Ship Date: Nov 4, 2025 if ordered today

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Engine Re-Ring, Moly, 4.030 in. Bore, Standard Rod, Standard Main, Chrysler, 360, Kit

Part Number: FEM-205622AM-300

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Engine Re-Ring, Moly, 4.030 in. Bore, Standard Rod, Standard Main, Ford, 351W, Kit

Part Number: FEM-205-6117M300

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Repair Kit, Top End, 89.960mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10000K

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Estimated Ship Date: Nov 11, 2025 if ordered today

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Engine Re-Ring, Cast, 4 in. Bore, Standard Rod, Chevy, 350, Kit

Part Number: FEM-205158-00

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Engine Re-Ring, Moly, 3.940 in. Bore, .010 in. Rod, .010 in. Main, Chrysler, Dodge, Plymouth, 318, Kit

Part Number: FEM-205717M-311

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Engine Re-Ring, Moly, 4.030 in. Bore, .010 in. Rod, .010 in. Main, Chevy, 327, Kit

Part Number: FEM-205662M-311

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Engine Re-Ring, Cast, 3.875 in. Bore, Standard Rod, Pontiac, 350, Kit

Part Number: FEM-205121-00

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Engine Re-Ring, Moly, 4.185 in. Bore, 010 in. Rod, .010 in. Main, Chevy, 400, Kit

Part Number: FEM-205618M-611

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Engine Re-Ring, Moly, 4.125 in. Bore, Standard Rod, Standard Main, Chevy, 400, Kit

Part Number: FEM-205618M-000

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Engine Re-Ring, Moly, 4.040 in. Bore, .010 in. Rod, .010 in. Main, Chrysler, 360, Kit

Part Number: FEM-205622AM-411

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RERING KIT

Part Number: FEM-2056087-00

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Engine Re-Ring, Moly, 4.000 in. Bore, .020 in. Rod, .010 in. Main, Ford, 5.0L, Kit

Part Number: FEM-205-6115M021

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