Engine Kits & Rotating Assemblies

Pro LS 4340 Piston and Rod Kit, 378 Cid., 4.080 bore, 3.622 stroke, 6.125 rod, 2cc dome, 11.6:1 @ 65cc, 10.9:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR36L0802

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Pro LS Piston and Rod Kit, 330 Cid., 3.810 bore, Standard 3.622 stroke, 6.125 rod, 2cc dome, 11:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR36L8102

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Pro LS Piston and Rod Kit, 330 Cid., 3.810 bore, Standard 3.622 stroke, 6.125 rod, 7cc dish, 9.8:1 @ 61cc, 9.4:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR36L8107

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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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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 4340 Piston and Rod Kit, 347 Cid., 3.903 bore, 3.622 stroke, 6.125 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings

Part Number: SUM-PR36L9033

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Pro LS 4340 Piston and Rod Kit, 347 Cid., 3.903 bore, 3.622 stroke, 6.125 rod, 7cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings

Part Number: SUM-PR36L9037

5.0 out of 5 stars ( 1 )

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Pro LS 4340 Piston and Rod Kit, 402 Cid., 4.000 bore, 4.000 stroke, 6.125 rod, 20cc dish, 9.7:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR4000020

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Pro LS 4340 Piston and Rod Kit, 402 Cid., 4.000 bore, 4.000 stroke, 6.125 rod, 8cc dish, 11:1 @ 65cc, 10.4:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR400008

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Pro LS 4340 Piston and Rod Kit, 403 Cid., 4.005 bore, 4.000 stroke, 6.125 rod, 8cc dish, 11:1 @ 65cc, 10.4:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR400058

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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, 408 Cid., 4.030 bore, 4.000 stroke, 6.125 rod, 8cc dish, 11.1:1 @ 65cc, 10.6:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR400308

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Pro LS Piston and Rod Kit, 365 Cid., 4.005 bore, 3.622 stroke, 6.098 rod, 2cc Flat Top, 10.8:1 @ 65cc, 10.2:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR360052

5.0 out of 5 stars ( 2 )

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Pro LS Piston and Rod Kit, 332 Cid., 3.820 bore, Standard 3.622 stroke, 6.098 rod, 2cc dome, 11:1 @ 61cc, 10.5:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR368202

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Pro LS 4340 Piston and Rod Kit, 347 Cid., 3.903 bore, 3.622 stroke, 6.098 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings

Part Number: SUM-PR369033

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Pro LS Piston and Rod Kit, 371 Cid., 4.040 bore, 3.622 stroke, 6.125 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR36L0402

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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

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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

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Engine Rotating Assembly, Street, Cast Crank, Hypereutectic Pistons, I-Beam Rods, Chevy, Small Block, Kit

Part Number: ESP-B15405L04053

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Engine Rotating Assembly, Street/Strip, Cast Crank, Hypereutectic Pistons, I-Beam Rods, Chevy, Small Block, Kit

Part Number: ESP-13054040

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ENGINE PERFORMANCE, 124" 4-1/8" BORE, CYLNDR ST 4-1/8" BR 124"

Part Number: SSY-910-0338

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HD OVERHAUL KIT

Part Number: CLE-4861004STD

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Estimated Ship Date: Jun 12, 2025 if ordered today

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HD IN-FRAME KIT, STD

Part Number: CLE-4865055STD

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Estimated Ship Date: Jun 12, 2025 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00116

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Estimated Ship Date: May 28, 2025 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00118

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Estimated Ship Date: May 28, 2025 if ordered today

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