Supertech H1022D valve springs set (K/F-serie engines)

Description

SUPERTECH valve springs are made of an extreme pure chrome-silicon-vanadium-steel alloy to assure a very good durability for performance motors with high revolutions.
They are developed with the use of computer simulations to prevent material fatigue under extreme conditions.
The SUPERTECH holder/retainers are made of a certified titanium alloy and CNC milled for the perfect fit to provide a long durability.

Specifications:

Type: Dual Spring

OutSpr.OD: 30mm

OutSpr.ID: 21.8mm

InnSpr.OD: 21mm

InnSpr.ID: 15.5mm

Press.Seat: 80 @ 40.4

Press.Open: 215 @ 12

Max Lift: 18.30mm

Coil Bind: 22.00mm

Rate: 11.2mm

Retainer: RET-K20A2/T2 + SEAT-H1020D

This is a full kit for 16 valves.