Supertech Gen 1/2 Coyote valve springs -stock retainer

These springs can be used on engines running 25psi and spinning to 9000rpm.  They use stock retainers and aftermarket, stock size retainers.Ford Coyote Beehive Spring OD .989"/.693" - 91lbs@ 1...

Supertech/Apocalypse 4.6/5.4 2V exhaust valves 36mm

These valves are an excellent for race or street engines with 4.6/5.4, 2V, PI heads.  They are made from stainless steel and have swirl polished heads and are fully machined.  Exhaust...

Supertech/Apocalypse 4.6/5.4 2V intake valves 44.5mm

These valves are an excellent for race or street engines with 4.6/5.4, 2V, PI heads.  They are made from stainless steel and have swirl polished heads and are fully machined. Compared to...

Supertech/Apocalypse 3v Valve springs for stock retainers (drop-in)

Ford Modular 4.6L 3V Beehive Single spring OD 1.102"/.957"78lbs@1.535"Rate 322lbs/inCB: .897"Ovate wireMax Lift: .550"Use with OEM retainer includes SEAT-M65BE-2 seat locators

Supertech/Apocalypse 4v springs for stock retainers (drop-in)

These springs are good for use in most street cars and many race cars.  Good for 30pis, these are an affordalble option the many higher priced offerings. Ford Modular 4.6L 4v Beehive Single...

Supertech/Apocalypse 2V valve springs for stock retainers (drop-in)

For Ford Modular 4.6L and 5.4L engines with PI 2v heads.  These have been used with 20psi without any issues.  We recommend these for most applications not seeing over 25psi. Beehive Single...