Engine Internals

Engine internals are the foundation of any engine build. Here you'll find pistons, crankshafts, connecting rods and bearings from brands we trust and use in our own builds. Whether you're refreshing a street engine or building something that needs to handle real power, these are parts we know work.

Top Ring, 4.160" Bore, 1.0mm 9254 Steel
Diamond Pistons

Top Ring, 4.160" Bore, 1.0mm 9254 Steel

247 SEK
SKU: DIA09-301-1073
Available to Backorder
Top Ring, 4.130" Bore, 1.0mm 9254 Steel
Diamond Pistons

Top Ring, 4.130" Bore, 1.0mm 9254 Steel

247 SEK
SKU: DIA09-301-1067
Available to Backorder
Top Ring, 4.065" Bore, 1.0mm 9254 Steel
Diamond Pistons

Top Ring, 4.065" Bore, 1.0mm 9254 Steel

247 SEK
SKU: DIA09-301-1063
Available to Backorder
Top Ring, 4.045" Bore, 1.0mm 9254 Steel
Diamond Pistons

Top Ring, 4.045" Bore, 1.0mm 9254 Steel

247 SEK
SKU: DIA09-301-1061
Available to Backorder
Top Ring, 4.035" Bore, 1.0mm 9254 Steel
Diamond Pistons

Top Ring, 4.035" Bore, 1.0mm 9254 Steel

247 SEK
SKU: DIA09-301-1059
Available to Backorder
Piston Ring Set, 1 Cylinder, 3.941" Bore, 1.0mm/1.2mm/2.8mm
Diamond Pistons

Piston Ring Set, 1 Cylinder, 3.941" Bore, 1.0mm/1.2mm/2.8mm

621 SEK
SKU: DIA09-21-GNH10100
Available to Backorder
Piston Ring Set, 1 Cylinder, 3.956" Bore, 1.0mm/1.2mm/2.8mm
Diamond Pistons

Piston Ring Set, 1 Cylinder, 3.956" Bore, 1.0mm/1.2mm/2.8mm

621 SEK
SKU: DIA09-21-GNH10050
Available to Backorder
Piston Ring Set, 1 Cylinder, 3.937" Bore, 1.0mm/1.2mm/2.8mm
Diamond Pistons

Piston Ring Set, 1 Cylinder, 3.937" Bore, 1.0mm/1.2mm/2.8mm

621 SEK
SKU: DIA09-21-GNH10000
Available to Backorder
Piston Ring Set, 1 Cylinder, 3.917" Bore, 1.0mm/1.2mm/2.8mm
Diamond Pistons

Piston Ring Set, 1 Cylinder, 3.917" Bore, 1.0mm/1.2mm/2.8mm

621 SEK
SKU: DIA09-21-GNH09950
Available to Backorder
Piston Ring Set, 1 Cylinder, 3.858" Bore, 1.0mm/1.2mm/2.8mm
Diamond Pistons

Piston Ring Set, 1 Cylinder, 3.858" Bore, 1.0mm/1.2mm/2.8mm

621 SEK
SKU: DIA09-21-GNH09800
Available to Backorder
Piston Ring Set, 1 Cylinder, 3.838" Bore, 1.0mm/1.2mm/2.8mm
Diamond Pistons

Piston Ring Set, 1 Cylinder, 3.838" Bore, 1.0mm/1.2mm/2.8mm

621 SEK
SKU: DIA09-21-GNH09750
Available to Backorder
Piston Ring Set, 1 Cylinder, 3.829" Bore, 1.0mm/1.2mm/2.8mm
Diamond Pistons

Piston Ring Set, 1 Cylinder, 3.829" Bore, 1.0mm/1.2mm/2.8mm

621 SEK
SKU: DIA09-21-GNH09725
Available to Backorder
Piston Ring Set, 1 Cylinder, 3.819" Bore, 1.0mm/1.2mm/2.8mm
Diamond Pistons

Piston Ring Set, 1 Cylinder, 3.819" Bore, 1.0mm/1.2mm/2.8mm

621 SEK
SKU: DIA09-21-GNH09700
Available to Backorder
Piston Ring Set, 1 Cylinder, 3.799" Bore, 1.0mm/1.2mm/2.8mm
Diamond Pistons

Piston Ring Set, 1 Cylinder, 3.799" Bore, 1.0mm/1.2mm/2.8mm

621 SEK
SKU: DIA09-21-GNH09650
Available to Backorder
Piston Ring Set, 1 Cylinder, 3.789" Bore, 1.0mm/1.2mm/2.8mm
Diamond Pistons

Piston Ring Set, 1 Cylinder, 3.789" Bore, 1.0mm/1.2mm/2.8mm

621 SEK
SKU: DIA09-21-GNH09625
Available to Backorder
Piston Ring Set, 1 Cylinder, 3.780" Bore, 1.0mm/1.2mm/2.8mm
Diamond Pistons

Piston Ring Set, 1 Cylinder, 3.780" Bore, 1.0mm/1.2mm/2.8mm

621 SEK
SKU: DIA09-21-GNH09600
Available to Backorder
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