Engine Kits & Rotating Assemblies

Engine Re-Ring, 4.000 in. Bore, Standard Rod, Standard Main, Chevy, Kit

Part Number: SUM-RRKIT1-000

4.19 out of 5 stars ( 21 )

Estimated Ship Date: Tomorrow

Engine Re-Ring, 4.030 in. Bore, .010 in. Rod, .010 in. Main, Chevy, Kit

Part Number: SUM-RRKIT1-311

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Engine Re-Ring, 4.040 in. Bore, .010 in. Rod, .010 in. Main, Chevy, Kit

Part Number: SUM-RRKIT1-411

2.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

Engine Re-Ring, 4.060 in. Bore, Standard Rod, Standard Main, Chevy, Kit

Part Number: SUM-RRKIT1-600

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Engine Re-Ring, 4.040 in. Bore, Standard Rod, Standard Main, Chevy, Kit

Part Number: SUM-RRKIT1-400

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Engine Re-Ring, 4.030 in. Bore, .020 in. Rod, .020 in. Main, Chevy, Kit

Part Number: SUM-RRKIT1-322

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Engine Re-Ring, 4.000 in. Bore, .010 in. Rod, .010 in. Main, Chevy, Kit

Part Number: SUM-RRKIT1-011

3.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

Engine Re-Ring 4.060 in. Bore, .020 in. Rod, .020 in. Main, Chevy, Kit

Part Number: SUM-RRKIT1-622

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Engine Re-Ring, 4.040 in. Bore, .020 in. Rod, .020 in. Main, Chevy, Kit

Part Number: SUM-RRKIT1-422

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Engine Re-Ring, 4.060 in. Bore, .010 in. Rod, .010 in. Main, Chevy, Kit

Part Number: SUM-RRKIT1-611

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Repair Kit, Top End, 67.47mm Bore, 9.30 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NA-20001-2K

Not Yet Reviewed

Estimated Ship Date: Jun 3, 2025 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 54.000mm Bore, 8.20 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NX-20000K

Not Yet Reviewed

Estimated Ship Date: Jun 2, 2025 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 48.450mm Bore, 9.20 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NX-20085K

Not Yet Reviewed

Estimated Ship Date: Jun 3, 2025 if ordered today

• Drop Ship
• Special Order

TOP END KIT FHC WITH CAM CHAIN

Part Number: VPX-VTKTC23444B

Not Yet Reviewed

• Oversize $6.99
• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30025K

Not Yet Reviewed

Estimated Ship Date: Jun 2, 2025 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 73.950mm Bore, 9.00 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10002K

Not Yet Reviewed

Estimated Ship Date: Jun 3, 2025 if ordered today

• Drop Ship
• Special Order

Engine Re-Ring, 4.030 in. Bore, .030 in. Rod, .030 in. Main, Chevy, Kit

Part Number: SUM-RRKIT1-333

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Engine Re-Ring, 4.030 in. Bore, .010 in. Rod, .020 in. Main, Chevy, Kit

Part Number: SUM-RRKIT1-312

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Repair Kit, Top End, 47.950mm Bore, 9.40 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NX-20080K

Not Yet Reviewed

Estimated Ship Date: May 28, 2025 if ordered today

• Special Order

Repair Kit, Top End, 46.95mm Bore, Yamaha, Kit

Part Number: NTI-NX-40080K

Not Yet Reviewed

Estimated Ship Date: Jun 3, 2025 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 44.450mm Bore, 8.40 to 1 Compression Ratio, Kawasaki, Suzuki, Kit

Part Number: NTI-NX-20065K

Not Yet Reviewed

Estimated Ship Date: May 30, 2025 if ordered today

• Special Order

Repair Kit, Top End, 40.000mm Bore, 6.00 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40005K

Not Yet Reviewed

Estimated Ship Date: May 28, 2025 if ordered today

• Special Order

Engine Re-Ring, 4.030 in. Bore, .020 in. Rod, .010 in. Main, Chevy, Kit

Part Number: SUM-RRKIT1-321

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Engine Re-Ring, 4.060 in. Bore, .010 in. Rod, .020 in. Main, Chevy, Kit

Part Number: SUM-RRKIT1-612

Not Yet Reviewed

Estimated Ship Date: Tomorrow