Availability
Pro LS 4340 Rotating Assembly, 416 Cid., 4.070 bore, 4.000 stroke, 24X, 6.125 rod, 21cc dish, 9.9:1 @ 65cc, 9.5:1 @ 70cc, File-Fit Rings, H Bearings
Part Number: SUM-R244007021
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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: Tomorrow
Estimated Ship Date: Tomorrow
Accessory Accessory Drive System, Black Powdercoated, With Power Steering/Air Conditioning, 180 Amp Alternator, Early F-Body/GTO Belt Line, Kit
Part Number: LSS-GMLS5007B
Estimated Ship Date: Aug 4, 2025 if ordered today
Estimated Ship Date: Aug 4, 2025 if ordered today
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Not Yet Reviewed
Estimated Ship Date: Tomorrow
Accessory Drive System, Black Powdercoated, With Power Steering/Air Conditioning, 180 Amp Alternator, Truck Belt Line, Kit
Part Number: LSS-GMLS5016B
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Engine Assembly, Short Block, Chevy, Small Block LS, 408, Each
Part Number: HPE-SP26
Not Yet Reviewed
Estimated Ship Date: Oct 6, 2025 if ordered today
Estimated Ship Date: Oct 6, 2025 if ordered today
Accessory Drive Systems, LS Mid-Mount, Serpentine, Alternator, Power Steering, Water Pump, AC, Pulleys, 6-groove, Polished, Chevy, 4.8-7.0L, Kit
Part Number: HLY-20-190P
Not Yet Reviewed
Estimated Ship Date: Aug 11, 2025 if ordered today
Estimated Ship Date: Aug 11, 2025 if ordered today
Head Combo, GenX® Top-End, 500 HP/460 ft.-lbs. Torque, Chevy, Small Block, LS1, Kit
Part Number: TFS-K306-500-460
Not Yet Reviewed
Estimated Ship Date: Oct 10, 2025 if ordered today
Estimated Ship Date: Oct 10, 2025 if ordered today
Cylinder Heads, Mongoose Strip, Assembled, 73cc Chambers, 210cc Intake Ports, Chevy, LSX, Pair
Part Number: AFR-1690
Not Yet Reviewed
Estimated Ship Date: Aug 7, 2025 if ordered today
Estimated Ship Date: Aug 7, 2025 if ordered today
Cylinder Heads, Street Porting, Aluminum, Assembled, 66cc Chamber, 205cc Intake, Chevy, Small Block, LS, Pair
Part Number: AFR-1510
Not Yet Reviewed
Estimated Ship Date: Aug 8, 2025 if ordered today
Estimated Ship Date: Aug 8, 2025 if ordered today
Pro LS 4340 Rotating Assembly, 417 Cid., 4.075 bore, 4.000 stroke, 58x, 6.125 rod, 6cc dish, 11.5:1 @ 65cc, 11:1 @ 70cc, File-Fit Rings, H Bearings
Part Number: SUM-R58400756
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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: Nov 6, 2025 if ordered today
Estimated Ship Date: Nov 6, 2025 if ordered today
Pro LS Rotating Assembly, 325 Cid., 3.780 bore, Standard 3.622 stroke, 58x, 6.098 rod, 7cc dish, 9.7:1 @ 61cc, 9.3:1 @ 65cc, File-Fit Rings, H Bearing
Part Number: SUM-R58367807
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Pro LS 4340 Rotating Assembly, 377 Cid., 4.070 bore, 3.622 stroke, 58x, 6.125 rod, 12cc dish, 9.9:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings, H Bearings
Part Number: SUM-R5836L07012
Not Yet Reviewed
Estimated Ship Date: Sep 2, 2025 if ordered today
Estimated Ship Date: Sep 2, 2025 if ordered today
Pro LS Rotating Assembly, 325 Cid, 3.780 bore, Standard 3.622 stroke, 24X, 6.098 rod, 2cc dome,10.9:1 @ 61cc, 10.3:1 @ 65cc, File-Fit Rings, H Bearing
Part Number: SUM-R24367802
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Pro LS 4340 Rotating Assembly, 402 Cid., 4.000 bore, 4.000 stroke, 24X, 6.125 rod, 20cc dish, 9.7:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings, H Bearings
Part Number: SUM-R244000020
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Pro LS 4340 Rotating Assembly, 370 Cid., 4.030 bore, 3.622 stroke, 24X, 6.125 rod, 12cc Dish, 9.7:1 @ 65cc, 9.3:1 @ 70cc, File-Fit rings, H Bearings
Part Number: SUM-R2436L03012
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Pulley Sets, Serpentine, LS Engine Swap Accessory Drive System, Sanden 7B10 A/C Only, Black Powdercoated, Chevy, GMC, V8, Kit
Part Number: HLY-20-138BK
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Pulley/Bracket Set, Serpentine, Aluminum, Clear Powdercoated, A/C, Power Steering, GM, LS Series, Wide Kit
Part Number: MCH-20060
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Pulley/Bracket Set, Serpentine, Aluminum, Clear Powdercoated, A/C, Power Steering, GM, LS Series, Narrow, Kit
Part Number: MCH-20065
Estimated Ship Date: Jul 25, 2025 if ordered today
Estimated Ship Date: Jul 25, 2025 if ordered today
Engine Block, LSX Bowtie, Bare, Cast Iron, 6-bolt Main Bolt Style, 9.260 in. Standard Deck, Semi Finished, Chevrolet, Each
Part Number: NAL-19417351
Estimated Ship Date: Oct 29, 2025 if ordered today
Estimated Ship Date: Oct 29, 2025 if ordered today
Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, 58 Tooth Reluctor, +10cc Dish Pistons, Each
Part Number: HPE-SP26-G4
Not Yet Reviewed
Estimated Ship Date: Sep 18, 2025 if ordered today
Estimated Ship Date: Sep 18, 2025 if ordered today
Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, 24 Tooth Reluctor, +4cc Flat Top Pistons, Each
Part Number: HPE-SP39-G4
Not Yet Reviewed
Estimated Ship Date: Sep 18, 2025 if ordered today
Estimated Ship Date: Sep 18, 2025 if ordered today
Engine Block, LSX Bowtie, Bare, Cast Iron, 6-bolt Main Bolt Style, 9.720 in Tall Deck, Semi Finished, Chevy, Each
Part Number: NAL-19417354
Not Yet Reviewed
Estimated Ship Date: Sep 29, 2025 if ordered today
Estimated Ship Date: Sep 29, 2025 if ordered today
Cylinder Heads, BR7 STS LS Compatible, Aluminum, Assembled, 72cc Chamber, 273cc Intake Runner, Chevy, Pair
Part Number: BRO-1178101
Not Yet Reviewed
Estimated Ship Date: Sep 12, 2025 if ordered today
Estimated Ship Date: Sep 12, 2025 if ordered today
Accessory Drive Systems, LS Mid-Mount, Serpentine, Alternator, A/C, Water Pump, Power Steering, SFI Damper, Polished Finish, Chevy, 4.8-6.2, Kit
Part Number: HLY-20-180P
Not Yet Reviewed
Estimated Ship Date: Aug 4, 2025 if ordered today
Estimated Ship Date: Aug 4, 2025 if ordered today
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