1999 Engine Kits & Rotating Assemblies

Pro LS 4340 Piston and Rod Kit, 367 Cid., 3.820 bore, 4.000 stroke, 6.125 rod, 12cc dish, 10:2 @ 61cc, 9.8:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR4082012

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Estimated Ship Date: Monday 2/9/2026

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Pro LS 4340 Piston and Rod Kit, 367 Cid., 3.820 bore, 4.000 stroke, 6.125 rod, 5cc dish, 11:1 @ 61cc, 10.5:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR408205

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Estimated Ship Date: Monday 2/9/2026

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Pro LS 4340 Piston and Rod Kit, 383 Cid., 3.903 bore, 4.000 stroke, 6.125 rod, 16cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings

Part Number: SUM-PR4090316

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Estimated Ship Date: Monday 2/9/2026

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Pro LS 4340 Piston and Rod Kit, 383 Cid., 3.903 bore, 4.000 stroke, 6.125 rod, 5cc dish, 10.9:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings

Part Number: SUM-PR409035

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Estimated Ship Date: Monday 2/9/2026

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Pro LS Rotating Assembly, 330 Cid., 3.810 bore, Standard 3.622 stroke, 24X, 6.098 rod, 7cc dish, 9.8:1 @ 61cc, 9.4:1 @ 65cc, File-Fit ring, H Bearings

Part Number: SUM-R24368107

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Estimated Ship Date: Monday 2/9/2026

Pro LS Rotating Assembly, 332 Cid., 3.820 bore, Standard 3.622 stroke, 24X, 6.098 rod, 2cc dome, 11:1 @ 61cc, 10.5:1 @ 65cc, File-Fit ring, H Bearings

Part Number: SUM-R24368202

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Estimated Ship Date: Monday 2/9/2026

Pro LS 4340 Rotating Assembly, 364 Cid., 4.000 bore, 3.622 stroke, 24X, 6.125 rod,12cc Dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit ring, H Bearings

Part Number: SUM-R2436L00012

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Estimated Ship Date: Monday 2/9/2026

Pro LS 4340 Rotating Assembly, 365 Cid., 4.005 bore, 3.622 stroke, 24X, 6.125 rod, 12cc Dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit rings, H Bearings

Part Number: SUM-R2436L00512

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Estimated Ship Date: Monday 2/9/2026

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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Estimated Ship Date: Monday 2/9/2026

Engine Rotating Kits, Pro LS Crank and Rod Kits, Forged 4340 Steel, 6.098 in. Connecting Rod Length, 4.000 in. Stroke, Chevy, 5.3L, 5.7L, 6.0L, Kit

Part Number: SUM-CR4024098

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Estimated Ship Date: Monday 2/9/2026

S&S 98 BIG BORE KIT BLK

Part Number: SSY-910-0481

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Estimated Ship Date: Monday 2/9/2026

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Engine Rotating Assembly, Cast Steel Crank, Forged Pistons, I-Beam Rods, Chevy, Small Block, Kit

Part Number: SCA-1-91205BI

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/9/2026

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Competition, Standard Weight Forged Rotating Assembly

Part Number: SCA-1-41839BI

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/9/2026

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Pro LS Piston and Rod Kit, 371 Cid., 4.040 bore, 3.622 stroke, 6.098 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR360402

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Estimated Ship Date: Monday 2/9/2026

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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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Estimated Ship Date: Monday 2/9/2026

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Engine Kit, Start Up, Crate Engine, GM, V8, SBC, Kit

Part Number: SUM-CSUMGMINS01

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Pro LS Rotating Assembly, 332 Cid., 3.820 bore, Standard 3.622 stroke, 24X, 6.125 rod, 2cc dome, 11:1 @ 61cc, 10.5:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R2436L8202

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Estimated Ship Date: Monday 2/9/2026

Pro LS Rotating Assembly, 332 Cid., 3.820 bore, Standard 3.622 stroke, 24X, 6.125 rod, 7cc dish, 9.9:1 @ 61cc, 9.4:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R2436L8207

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Estimated Ship Date: Monday 2/9/2026

Pro LS 4340 Rotating Assembly, 346 Cid., 3.898 bore, 3.622 stroke, 24X, 6.125 rod, 7cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R2436L8987

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Estimated Ship Date: Monday 2/9/2026

Pro LS 4340 Rotating Assembly, 347 Cid., 3.903 bore, 3.622 stroke, 24X, 6.125 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R2436L9033

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Estimated Ship Date: Monday 2/9/2026

Engine Rebuild, Hypereutectic Dish Top, Plasmamoly Rings, Stock Bore, .010 in. Under Bearings, Chevy, LS

Part Number: CMB-08-0073

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Estimated Ship Date: Monday 2/9/2026

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Engine Rebuild, Hypereutectic Flat Top, Plasmamoly Rings, Stock Bore, .010 in Under Bearings, Chevy, 5.7L, Kit

Part Number: CMB-08-0077

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Estimated Ship Date: Monday 2/9/2026

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Pro LS 4340 Rotating Assembly, 371 Cid., 4.040 bore, 3.622 stroke, 24X, 6.098 rod, 12cc dish, 9.8:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R243604012

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Estimated Ship Date: Monday 2/9/2026

Pro LS 4340 Rotating Assembly, 371 Cid., 4.040 bore, 3.622 stroke, 58x, 6.098 rod, 12cc dish, 9.8:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R583604012

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Estimated Ship Date: Monday 2/9/2026

Engine Rebuild, Hypereutectic Dish, 4 in. Bore, Standard Rod, Standard Main, Chevy, 350 Kit

Part Number: FEM-BK6087000

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Estimated Ship Date: Monday 2/9/2026

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