$20 Off $250 / $40 Off $500 / $80 Off $1,000 - Use Promo Code: SUMMER25

$20 Off $250 / $40 Off $500 / $80 Off $1,000 - Use Promo Code: SUMMER25

FREE SHIPPING on Orders Over $109!

Engine Rotating Assemblies & Rebuild Kits

Individual Parts

Results 1451 - 1475 of 2000 +

Engine Rebuild Kits, Re-Ring, 4.030 in. Bore, 0.010 in. Rod Bearing Crank Undersize, 0.020 in. Main Bearing Crank Undersize, Gaskets, Chevy, Kit

Part Number: FEM-205-6287M312

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Pro LS 4340 Rotating Assembly, 364 Cid., 4.000 bore, 3.622 stroke, 58x, 6.098 rod, 12cc dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R583600012

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Pro LS 4340 Rotating Assembly, 365 Cid., 4.005 bore, 3.622 stroke, 58x, 6.098 rod, 12cc dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R583600512

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Pro LS Rotating Assembly, 365 Cid., 4.005 bore, 3.622 stroke, 58x, 6.098 rod, 2cc Flat Top, 10.8:1 @ 65cc, 10.2:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R58360052

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Pro LS 4340 Rotating Assembly, 370 Cid., 4.030 bore, 3.622 stroke, 58x, 6.098 rod, 12cc dish, 9.7:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R583603012

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Pro LS Rotating Assembly, 370 Cid., 4.030 bore, 3.622 stroke, 58x, 6.098 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R58360302

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Pro LS Rotating Assembly, 371 Cid., 4.040 bore, 3.622 stroke, 58x, 6.098 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R58360402

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Pro LS Rotating Assembly, 325 Cid, 3.780 bore, Standard 3.622 stroke, 58x, 6.098 rod, 2cc dome, 10.9:1 @ 61cc, 10.3:1 @ 65cc, File-Fit Ring, H Bearing

Part Number: SUM-R58367802

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Pro LS Rotating Assembly, 326 Cid., 3.785 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-R58367857

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Pro LS Rotating Assembly, 330 Cid., 3.810 bore, Standard 3.622 stroke, 58x, 6.098 rod, 2cc dome, 11:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R58368102

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Pro LS Rotating Assembly, 332 Cid., 3.820 bore, Standard 3.622 stroke, 58x, 6.098 rod, 2cc dome, 11:1 @ 61cc, 10.5:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R58368202

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Pro LS 4340 Rotating Assembly, 346 Cid., 3.898 bore, 3.622 stroke, 58x, 6.098 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R58368983

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Pro LS 4340 Rotating Assembly, 364 Cid., 4.000 bore, 3.622 stroke, 58x, 6.125 rod, 12cc Dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L00012

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Pro LS Rotating Assembly, 364 Cid., 4.000 bore, 3.622 stroke, 58x, 6.125 rod, 2cc Flat Top, 10.7:1 @ 65cc, 10.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L0002

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

ENGINE REBUILD KIT

Part Number: FEM-BK6080-200

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

HD IN-FRAME KITS

Part Number: CLE-45955241STD

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 28, 2025 if ordered today

HD IN-FRAME KIT

Part Number: CLE-4685100STD

Not Yet Reviewed

Estimated Ship Date: Aug 4, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 4, 2025 if ordered today

Repair Kit, Top End, 90.210mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10000-1K

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 30, 2025 if ordered today

Repair Kit, Top End, 90.710mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10000-3K

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 30, 2025 if ordered today

TOP END REPAIR KIT

Part Number: NTI-NA-50070-CK1

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 30, 2025 if ordered today

Piston, TOP END REPAIR KIT

Part Number: NTI-NA-50080-BK1

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 30, 2025 if ordered today

Repair Kit, Top End, 79.950mm Bore, 10.20 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50080K

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 30, 2025 if ordered today

Piston, TOP END REPAIR KIT

Part Number: NTI-NA-50090K

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 30, 2025 if ordered today

Piston, TOP END REPAIR KIT

Part Number: NTI-NA-50091-BK

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 30, 2025 if ordered today

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30015R

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 30, 2025 if ordered today

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.