- 13%
Dual valvespring kit B19 B21 B23 B230 (more clamping pressure)
1,840 SEK per kit1,595 SEK per kit
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Description
Article no.: SVF1317B230
A kit with eight double valvesprings, eight special aluminium retainers and eight centering washers for B19 / B21 / B23 / B230
NOTE: Measured including 2,8mm thick valve washer (SVF1323)
680N @ 44mm
830N @ 40mm
1000N @ 36mm
1220N @ 32mm
1400N @ 28mm
Coilbind about 25-26mm including valve washer
Outer spring
Thread thickness approx. Ø4mm
Outer diameter approx. Ø32.2 mm
About 57mm high
Inner spring
Thread thickness approx. Ø2.7 mm
Outer diameter approx. Ø23,9mm
About 54mm high
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When mounting in standard 531 cylinder head about 790N
At 12mm lift approx 1300N
At 14mm lift approx 1440N