Availability
Engine Rotating Kits
Pro LS Rotating Assembly, 330 Cid., 3.810 bore, Standard 3.622 stroke, 24X, 6.125 rod, 7cc dish, 9.8:1 @ 61cc, 9.4:1 @ 65cc, File-Fit Rings, H Bearing
Part Number: SUM-R2436L8107
Not Yet Reviewed
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Pro LS 4340 Rotating Assembly, 416 Cid., 4.070 bore, 4.000 stroke, 24X, 6.125 rod, 6cc dish, 11.5:1 @ 65cc, 10.9:1 @ 70cc, File-Fit Rings, H Bearings
Part Number: SUM-R24400706
Not Yet Reviewed
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Pro LS Rotating Assembly, 325 Cid., 3.780 bore, Standard 3.622 stroke, 24X, 6.125 rod, 7cc dish, 9.7:1 @ 61cc, 9.3:1 @ 65cc, File-Fit Rings, H Bearing
Part Number: SUM-R2436L7807
Not Yet Reviewed
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Pro LS 4340 Rotating Assembly, 415 Cid., 4.065 bore, 4.000 stroke, 58x, 6.125 rod, 6cc dish, 11.5:1 @ 65cc, 10.9:1 @ 70cc, File-Fit Rings, H Bearings
Part Number: SUM-R58400656
Not Yet Reviewed
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Pro LS 4340 Rotating Assembly, 408 Cid., 4.030 bore, 4.000 stroke, 58x, 6.125 rod, 8cc dish, 11.1:1 @ 65cc, 10.6:1 @ 70cc, File-Fit Rings, H Bearings
Part Number: SUM-R58400308
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Estimated Ship Date: Monday 10/26/2026 if shipped by air
SBC Forged 427 Balanced Assembly, 4 in. stroke, 350 main, 2 pc. RMS, H-Beam Rod, Forged Piston 11.2:1@ 58cc, 10.5:1@64cc, 10.25:1@67cc, 9.75:1@72cc
Part Number: SUM-SBC427RB125
Not Yet Reviewed
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Pro LS 4340 Piston and Rod Kit, 346 Cid., 3.898 bore, 3.622 stroke, 6.125 rod, 7cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings
Part Number: SUM-PR36L8987
Not Yet Reviewed
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Pro LS 4340 Piston and Rod Kit, 364 Cid., 4.000 bore, 3.622 stroke, 6.125 rod, 12cc Dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings
Part Number: SUM-PR36L00012
Not Yet Reviewed
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Pro LS 4340 Rotating Assembly, 416 Cid., 4.070 bore, 4.000 stroke, 58x, 6.125 rod, 21cc dish, 9.9:1 @ 65cc, 9.5:1 @ 70cc, File-Fit Rings, H Bearings
Part Number: SUM-R584007021
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Pro LS 4340 Rotating Assembly, 364 Cid., 4.000 bore, 3.622 stroke, 24X, 6.098 rod, 12cc dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings, H Bearings,
Part Number: SUM-R243600012
Not Yet Reviewed
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Engine Rotating Assembly, Cast Steel Crank, Forged Pistons, I-Beam Rods, Ford, Small Block, Kit
Part Number: SCA-1-94306BI
Not Yet Reviewed
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Estimated Ship Date: Monday 10/26/2026 if shipped by air
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
Not Yet Reviewed
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Pro LS Piston and Rod Kit, 326 Cid., 3.785 bore, Standard 3.622 stroke, 6.125 rod, 7cc dish, 9.7:1 @ 61cc, 9.3:1 @ 65cc, File-Fit Rings
Part Number: SUM-PR36L7857
Not Yet Reviewed
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Pro LS 4340 Piston and Rod Kit, 377 Cid., 4.075 bore, 3.622 stroke, 6.125 rod, 2cc dome, 11.6:1 @ 65cc, 10.9:1 @ 70cc, File-Fit Rings
Part Number: SUM-PR36L0752
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Engine Rotating Assembly, Street/Strip, Cast Crank, Hypereutectic Pistons, I-Beam Rods, Chevy, Small Block, Kit
Part Number: ESP-13202L000
Not Yet Reviewed
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Pro LS 4340 Rotating Assembly, 416 Cid., 4.070 bore, 4.000 stroke, 58x, 6.125 rod, 6cc dish, 11.5:1 @ 65cc, 10.9:1 @ 70cc, File-Fit Rings, H Bearings
Part Number: SUM-R58400706
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Estimated Ship Date: Monday 10/26/2026 if shipped by air
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
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Pro LS 4340 Rotating Assembly, 417 Cid., 4.075 bore, 4.000 stroke, 24X, 6.125 rod, 6cc dish, 11.5:1 @ 65cc, 11:1 @ 70cc, File-Fit Rings, H Bearings
Part Number: SUM-R24400756
Not Yet Reviewed
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Pro LS Rotating Assembly, 364 Cid., 4.000 bore, 3.622 stroke, 24X, 6.098 rod, 2cc Flat Top, 10.7:1 @ 65cc, 10.4:1 @ 70cc File-Fit Rings, H Bearings
Part Number: SUM-R24360002
Not Yet Reviewed
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Pro LS Rotating Assembly, 370 Cid., 4.030 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-R2436L0302
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Pro LS Rotating Assembly, 325 Cid., 3.780 bore, Standard 3.622 stroke, 58x, 6.125 rod, 7cc dish, 9.7:1 @ 61cc, 9.3:1 @ 65cc, File-Fit Rings, H Bearing
Part Number: SUM-R5836L7807
Not Yet Reviewed
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Pro LS 4340 Piston and Rod Kit, 346 Cid., 3.898 bore, 3.622 stroke, 6.098 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings
Part Number: SUM-PR368983
Not Yet Reviewed
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Engine Kit, Moly Ring, Rod, Main, Gaskets, Oil Pump, Timing Set, Chevy, Small Block, 350, Kit
Part Number: SES-3480000000
Not Yet Reviewed
Cannot be shipped Internationally if shipped by air
Cannot be shipped Internationally if shipped by air
Pro LS 4340 Rotating Assembly, 403 Cid., 4.005 bore, 4.000 stroke, 58x, 6.125 rod, 8cc dish, 11:1 @ 65cc, 10.4:1 @ 70cc, File-Fit Rings, H Bearings
Part Number: SUM-R58400058
Not Yet Reviewed
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Engine Rotating Assembly, Forged Crank, Forged Pistons, H-Beam Rods, Chevy, Big Block, Kit
Part Number: SCA-1-42450
Not Yet Reviewed
Estimated Ship Date: Monday 10/26/2026 if shipped by air
Estimated Ship Date: Monday 10/26/2026 if shipped by air
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