Engine Rotating Assemblies & Rebuild Kits

S&S Cycle 70-84 BT 103in Sidewinder Big Bore Stroker Kit - Gloss Black

Part Number: SSY-91-9140

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Engine Rotating Assembly, Street/Strip, Cast Crank, Hypereutectic Piston, H-Beam Rod, Pontiac, Big Block, 455, Kit

Part Number: ESP-514064185

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Estimated Ship Date: May 5, 2026 if ordered today

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S&S Cycle 2017+ M8 132in Power Pack w/ Chrm Pushrod Tubes & Cam Chain Tensioners - Blk w/o Highlight

Part Number: SSY-310-1233

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Estimated Ship Date: Apr 13, 2026 if ordered today

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S&S Cycle 2017+ M8 129in Power Pack w/ Black Pushrod Tubes & Gear Drive Cam - Black w/o Highlight

Part Number: SSY-310-1228

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Estimated Ship Date: Apr 13, 2026 if ordered today

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S&S Cycle 2017+ M8 Models 4.320in Bore 550C Cam Power Pack - Black Granite w/ Highlight

Part Number: SSY-310-1235

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Estimated Ship Date: Apr 13, 2026 if ordered today

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S&S Cycle 2017+ M8 129in Power Pack w/ Chrome Pushrod Tubes & Gear Drive Cam - Black w/ Highlight

Part Number: SSY-310-1224

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Estimated Ship Date: Apr 13, 2026 if ordered today

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S&S Cycle 70-84 BT 93in Sidewinder High Compression Big Bore Stroker Kit - Gloss Black

Part Number: SSY-91-9130

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Estimated Ship Date: Apr 13, 2026 if ordered today

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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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Estimated Ship Date: Apr 24, 2026 if ordered today

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Pro LS 4340 Rotating Assembly, 377 Cid., 4.070 bore, 3.622 stroke, 24X, 6.125 rod,12cc dish, 9.9:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R2436L07012

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Estimated Ship Date: Apr 22, 2026 if ordered today

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Engine Rotating Assembly, High Compression, Forged Crank, Forged Piston, H-Beam Rods, Chevy, Small Block, Kit

Part Number: ESP-35670030

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Rotating Assembly, Forged Pistons, H-beam Connecting Rods, Internal Balance, 3.750 in. Stroke, 5.850 in. Rod Length, Ford, 300, 3-valve, Kit

Part Number: MAN-29520PBR

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Pro LS 4340 Rotating Assembly, 359 Cid., 3.780 bore, 4.000 stroke, 24X, 6.125 rod, 12cc dish, 10:1 @ 61cc, 9.6:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R244078012

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Pro LS Rotating Assembly, 371 Cid., 4.040 bore, 3.622 stroke, 58x, 6.125 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L0402

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Estimated Ship Date: May 13, 2026 if ordered today

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

Part Number: ESP-B15454E040

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Estimated Ship Date: Apr 24, 2026 if ordered today

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Pro LS Rotating Assembly, 371 Cid., 4.040 bore, 3.622 stroke, 24X, 6.125 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit rings, H Bearings

Part Number: SUM-R2436L0402

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 13, 2026 if ordered today

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Pro LS 4340 Rotating Assembly, 410 Cid., 4.040 bore, 4.000 stroke, 24X, 6.125 rod, 20cc dish, 9.8:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R244004020

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Pro LS 4340 Piston and Rod Kit, 417 Cid., 4.080 bore, 4.000 stroke, 6.125 rod, 21cc dish, 9.9:1 @ 65cc, 9.5:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR4008021

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Pro LS 4340 Piston and Rod Kit, 359 Cid., 3.780 bore, 4.000 stroke, 6.125 rod, 12cc dish, 10:1 @ 61cc, 9.6:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR4078012

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Pro LS 4340 Rotating Assembly, 377 Cid., 4.075 bore, 3.622 stroke, 24X, 6.125 rod, 12cc dish, 9.9:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R2436L07512

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Estimated Ship Date: May 4, 2026 if ordered today

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Pro LS 4340 Piston and Rod Kit, 382 Cid., 3.898 bore, 4.000 stroke, 6.125 rod, 16cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings

Part Number: SUM-PR4089816

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Estimated Ship Date: Mar 23, 2026 if ordered today

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

Part Number: ESP-B15402L06068

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Estimated Ship Date: Apr 24, 2026 if ordered today

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ROTATING ASSEMBLY KIT-BBC 565 4.250/4.600 DOME

Part Number: MAN-39565RHXX

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Estimated Ship Date: Apr 16, 2026 if ordered today

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KIT-BBC 555 4.250/4.560 -3cc F

Part Number: MAN-28555

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Estimated Ship Date: Apr 16, 2026 if ordered today

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KIT-SBC 434 4.000/4.155

Part Number: MAN-290230

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Estimated Ship Date: Apr 16, 2026 if ordered today

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

Part Number: ESP-B15454E000

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Estimated Ship Date: Apr 24, 2026 if ordered today

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