Engine Kits & Rotating Assemblies

Pro LS Rotating Assembly, 326 Cid, 3.785 bore, Standard 3.622 stroke, 58x, 6.098 rod, 2cc dome, 10.9:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Ring, H Bearing

Part Number: SUM-R58367852

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order

Pro LS 4340 Rotating Assembly, 417 Cid., 4.080 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-R244008021

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order

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

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order

Pro LS 4340 Rotating Assembly, 360 Cid., 3.785 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-R244078512

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order

Pro LS 4340 Rotating Assembly, 403 Cid., 4.005 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-R244000520

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order

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

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order

Pro LS 4340 Rotating Assembly, 370 Cid., 4.040 bore, 3.622 stroke, 24X, 6.125 rod, 12cc Dish, 9.8:1 @ 65cc, 9.3:1 @ 70cc, File-Fit rings, H Bearings

Part Number: SUM-R2436L04012

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order

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

Not Yet Reviewed

Estimated Ship Date: Nov 6, 2025 if ordered today

• Special Order

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

Not Yet Reviewed

• Special Order

Pro LS Rotating Assembly, 332 Cid., 3.820 bore, Standard 3.622 stroke, 24X, 6.098 rod, 7cc dish, 9.9:1 @ 61cc, 9.4:1 @ 65cc, File-Fit ring, H Bearing

Part Number: SUM-R24368207

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order

Pro LS Rotating Assembly, 326 Cid, 3.785 bore, Standard 3.622 stroke, 24X, 6.098 rod, 2cc dome, 10.9:1 @ 61cc, 10.4:1 @ 65cc, File-Fit ring, H Bearing

Part Number: SUM-R24367852

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order

Pro LS 4340 Rotating Assembly, 403 Cid., 4.005 bore, 4.000 stroke, 58x, 6.125 rod, 20cc dish, 9.7:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R584000520

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order

Pro LS 4340 Rotating Assembly, 410 Cid., 4.040 bore, 4.000 stroke, 58x, 6.125 rod, 20cc dish, 9.8:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R584004020

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order

Pro LS 4340 Rotating Assembly, 417 Cid., 4.080 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-R584008021

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order

Pro LS 4340 Rotating Assembly, 359 Cid., 3.780 bore, 4.000 stroke, 58x, 6.125 rod, 12cc dish, 10:1 @ 61cc, 9.6:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R584078012

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order

Pro LS 4340 Rotating Assembly, 360 Cid., 3.785 bore, 4.000 stroke, 58x, 6.125 rod, 12cc dish, 10:1 @ 61cc, 9.6:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R584078512

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order

PRO STREET ASSEMBLY CHEV 400, 350 MAINS

Part Number: ESP-62603030

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

BALANCED COMPETITION ASSEMBLY CHEV 454

Part Number: ESP-B11421070

Not Yet Reviewed

Estimated Ship Date: Sep 22, 2025 if ordered today

• Free Shipping
• Special Order

ROTATING ASSEMBLY

Part Number: ESP-B157084100

Not Yet Reviewed

Estimated Ship Date: Sep 22, 2025 if ordered today

• Free Shipping
• Special Order

ROTATING ASSEMBLY

Part Number: ESP-B62046030

Not Yet Reviewed

Estimated Ship Date: Sep 22, 2025 if ordered today

• Free Shipping
• Special Order

Competition assembly, 495 CID, -23.7cc Icon

Part Number: ESP-21209040

Not Yet Reviewed

Estimated Ship Date: Sep 22, 2025 if ordered today

• Free Shipping
• Special Order

ROTATING ASSEMBLY KIT-BBC 516 4.000/4.530 2cc DO

Part Number: MAN-29516H

Not Yet Reviewed

Estimated Ship Date: Oct 1, 2025 if ordered today

• Free Shipping
• Special Order

ROTATING ASSEMBLY KIT-BBC 516 4.000/4.530 2cc DO

Part Number: MAN-29516HX

Not Yet Reviewed

Estimated Ship Date: Oct 1, 2025 if ordered today

• Free Shipping
• Special Order

ROTATING ASSEMBLY KIT-BBC 516 4.000/4.530 2cc DO

Part Number: MAN-29516HXX

Not Yet Reviewed

Estimated Ship Date: Oct 1, 2025 if ordered today

• Free Shipping
• Special Order

ROTATING ASSEMBLY KIT-BBC 516 4.000/4.530 2cc DO

Part Number: MAN-29516R

Not Yet Reviewed

Estimated Ship Date: Oct 1, 2025 if ordered today

• Free Shipping
• Special Order