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Dual valvespring kit B19 B21 B23 B230 (Less clamping pressure)
1,880 SEK per kit1,695 SEK per kit
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Description
Article no.: SVF1319B230
A kit with 8 standard outer springs (SVF1319) and 8 inner springs (SVF1320), 8 special aluminium retainers and 8 centering washers for B19 / B21 / B23 / B230
Measured without valve washer
400N @ 41mm
500N @ 39mm
600N @ 37mm
700N @ 35mm
800N @ 33mm
900N @ 31mm
1000N @ 29mm
1120N @ 27mm
Coilbind about 24mm
Outer spring
Ø4.3mm wire thickness
Ø32.5mm outer diameter
Ø23.8mm inner diameter
About 46mm high
Inner spring
Ø2.7mm wire thickness
Ø23.9mm outer diameter
Ø18.3mm inner diameter
About 54mm high
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When mounting in standard 531 cylinder head about 550N
At 12mm lift approx. 1250N
Coilbind at about 26-27mm