We offer several makes of valve springs which, over the years, have proven suitable for
our racing engines.4000 to 8500 rpm. 240 Ibs. From 1.900" to 2.000" installed
height. 575 lbs. at coil bind 1.200". These dual springs are made of the finest
silicone steel materials. Also available, springs made from H- 11 Vasco jet material.
S1950 Shaver Valve Springs 1.950"
S-1900 Shaver Valve Springs 1.900"
S-2000 Shaver Valve Springs 2.000"
S-1950V Vasco Valve Springs 1.950"
We have selected three brands of valves for use in our racing engines based on their
exceptional flow characteristics and strength. Available are Manley, Del West, and Ferrah.
Exhaust valve are available in tulip and nailhead configurations. Call for details.
S-114M Manley Intake
S-115M Manley Exhaust
S114T Del West Titanium Intake
S-115T Del West Titanium Exhaust
S-114F Ferrah Stainless Intake
S-115F Ferrah Stainless Exhaust
Locks and Retainers
There are several different valve spring retainers available from Shaver. For extreme
spring pressures, the 10░ titanium retainers and locks will resist pull-through most
effectively. We have most sizes and depths of steel retainers in stock.
S-117 10° Steel Retainers
S-118 10° Titanium Retainers
S-1181 10° Locks
For customers installing bare heads, we offer complete valve packages. The packages
include: a set of valves, springs, retainers, aluminum bronze guides, steel spring seats
and Teflon valve stem seals.