Collection: 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.

Oil Ring Assembly, 4.500" Bore, 3/16
Diamond Pistons

Oil Ring Assembly, 4.500" Bore, 3/16

90 SEK
SKU: DIA09-3030647
Available to Backorder
Oil Ring Assembly, 4.030" Bore, 3.0mm CP-20
Diamond Pistons

Oil Ring Assembly, 4.030" Bore, 3.0mm CP-20

85 SEK
SKU: DIA09-303-0308B
Available to Backorder
Oil Ring Assembly, 4.005" Bore, 3.0mm
Diamond Pistons

Oil Ring Assembly, 4.005" Bore, 3.0mm

85 SEK
SKU: DIA09-303-0305B
Available to Backorder
Oil Ring Assembly, 4.185" Bore, 3.0mm
Diamond Pistons

Oil Ring Assembly, 4.185" Bore, 3.0mm

85 SEK
SKU: DIA09-303-0240B
Available to Backorder
Oil Ring Assembly, 4.165" Bore, 3.0mm
Diamond Pistons

Oil Ring Assembly, 4.165" Bore, 3.0mm

85 SEK
SKU: DIA09-303-0238B
Available to Backorder
Oil Ring Assembly, 4.145" Bore, 3.0mm
Diamond Pistons

Oil Ring Assembly, 4.145" Bore, 3.0mm

85 SEK
SKU: DIA09-303-0089B
Available to Backorder
Oil Ring Assembly, 4.080" Bore, 3.0mm
Diamond Pistons

Oil Ring Assembly, 4.080" Bore, 3.0mm

85 SEK
SKU: DIA09-303-0081B
Available to Backorder
Oil Ring Assembly, 4.070" Bore, 3.0mm
Diamond Pistons

Oil Ring Assembly, 4.070" Bore, 3.0mm

85 SEK
SKU: DIA09-303-0080B
Available to Backorder
Oil Ring Assembly, 4.010" Bore, 3.0mm
Diamond Pistons

Oil Ring Assembly, 4.010" Bore, 3.0mm

85 SEK
SKU: DIA09-303-0074B
Available to Backorder
Second Ring, 4.440" Bore, 1/16
Diamond Pistons

Second Ring, 4.440" Bore, 1/16

237 SEK
SKU: DIA09-3021570
Available to Backorder
Second Ring, 4.440" Bore, .043
Diamond Pistons

Second Ring, 4.440" Bore, .043

237 SEK
SKU: DIA09-3021569
Available to Backorder
Second Ring, 4.565" Bore, .043
Diamond Pistons

Second Ring, 4.565" Bore, .043

237 SEK
SKU: DIA09-3021485
Available to Backorder
Second Ring, 4.500" Bore, .043
Diamond Pistons

Second Ring, 4.500" Bore, .043

237 SEK
SKU: DIA09-3021482
Available to Backorder
Second Ring, 4.470" Bore, .043
Diamond Pistons

Second Ring, 4.470" Bore, .043

237 SEK
SKU: DIA09-3021481
Available to Backorder
Second Ring, 4.565" Bore, 1/16
Diamond Pistons

Second Ring, 4.565" Bore, 1/16

237 SEK
SKU: DIA09-3021471
Available to Backorder
Second Ring, 4.500" Bore, 1/16
Diamond Pistons

Second Ring, 4.500" Bore, 1/16

237 SEK
SKU: DIA09-3021387
Available to Backorder