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High Strength 4140 material and Grade 8 material available

3/8 - 20 Top Thread for 3/8 poly-locks

7/16 - 14 Bottom Thread for cylinder head

 

Replacement Studs for conversion from press in standard type rocker studs and/or for performance upgrades.

 Other sizes available on request

 

Price is each

High Strength 4140 material and Grade 8 material available

7/16 - 20 Top Thread for 7/16 poly-locks

7/16 - 14 Bottom Thread for cylinder head

 

Replacement Studs for conversion from press in standard type rocker studs and/or for performance upgrades.

 Other sizes available on request

Price is each

Billet alloy CNC machined stud girdles light weight design complete with 7/16" poly-locks

 

 suits Chevrolet 283ci-400ci

 

 Other sizes available on request

Billet alloy CNC machined stud girdles light weight design complete with 7/16" poly-locks

 

suits Ford Windsor 302-351

 

 Other sizes available on request

Guide plates made of 4130 material, They are heat treated and black oxided. eliminate push rod to cylinder head interference.

 

  • Chevrolet Small Block
  • Flat Style
  • 5/16" pushrod

Price is each guideplate. many more guide plates available on request.

Guide plates made of 4130 material, They are heat treated and black oxided. eliminate push rod to cylinder head interference.

 

  • Ford 289w-351w
  • Flat Style
  • 5/16" pushrod

Price is each guideplate. many more guide plates available on request.

Guide plates made of 4130 material, They are heat treated and black oxided. these universal guide plates are adjustable and can be used on Ford, Chev and AMC cylinder heads. Independantly adjustable these guideplates can eliminate push rod to cylinder head interference.

  • Adjustable
  • 5/16" Pushrod

 Price is for 16 Valve V8 kit. many more guide plates available on request.

PEP performance valve springs provide a wide range of seat pressures, open pressures and installed heights.

I.D 0.870

O.D 1.260

600 Lift

130@1.8

340@1.24 (open)

 

 

This is just a small selection of what we have on offer, other springs are available by request

 Price is each

PEP performance valve springs provide a wide range of seat pressures, open pressures and installed heights.

I.D 0.810

O.D 1.430

600 Lift

140@1.8

295@1.30 (open)

 

This is just a small selection of what we have on offer, other springs are available by request

 

 Price is each

PEP performance valve springs provide a wide range of seat pressures, open pressures and installed heights.

I.D 0.800

O.D 1.460

600 Lift

120@1.875

400@1.17 (open)

 

This is just a small selection of what we have on offer, other springs are available by request

 

 Price is each

High performance 4140 chromemoly steel, heat treated and finished in black oxide. 3/8 and 5/16 available on request.

O.D 1.240"

First Step 0.680"

Second Step 0.600"

 

 Price is each

High performance 4140 chromemoly steel, heat treated and finished in black oxide. 3/8 and 5/16 available on request.

O.D 1.400"

First Step 1.060"

Second Step 0.700"

 

 Price is each

High performance 4140 chromemoly steel, heat treated and finished in black oxide. 3/8 and 5/16 available on request.

O.D 1.490"

First Step 1.120"

Second Step 0.695"

 

 Price is each

High performance 4140 chromemoly steel, heat treated and finished in black oxide. 3/8 and 5/16 available on request.

O.D 1.400"

First Step 1.060"

Second Step 0.695"

 

these 10 degree retainers are also available in Titanium on request.

 Price is each

High performance 4140 chromemoly steel, heat treated and finished in black oxide. 3/8 and 5/16 available on request.

O.D 1.490"

First Step 1.120"

Second Step 0.695"

 

these 10 degree retainers are also available in Titanium on request.

 Price is each

These PEP valve spring cups are made from hardened 4140 chromemoly steel for long life and are black oxide coated for a high quality appearance. The valve spring cups are designed for use with all cylinder heads.

OD=1.360

ID=0.570

Locator= 1.270

Thickness=0.065

These PEP valve spring cups are made from hardened 4140 chromemoly steel for long life and are black oxide coated for a high quality appearance. The valve spring cups are designed for use with all cylinder heads.

OD=1.550

ID=0.690

Locator= 1.440

Thickness=0.060

These PEP valve spring cups are made from hardened 4140 chromemoly steel for long life and are black oxide coated for a high quality appearance. The valve spring cups are designed for use with all cylinder heads.

OD=1.580

ID=0.640

Locator= 1.475

Thickness=0.080

These PEP valve spring cups are made from hardened 4140 chromemoly steel for long life and are black oxide coated for a high quality appearance. The valve spring cups are designed for use with all cylinder heads.

OD=1.630

ID=0.640

Locator= 1.510

Thickness=0.080

These PEP valve spring cups are made from hardened 4140 chromemoly steel for long life and are black oxide coated for a high quality appearance. The valve spring cups are designed for use with all cylinder heads.

OD=1.680

ID=0.640

Locator= 1.565

Thickness=0.080

These PEP valve spring cups are made from hardened 4140 chromemoly steel for long life and are black oxide coated for a high quality appearance. The valve spring cups are designed for use with all cylinder heads.

OD=1.750

ID=0.640

Locator= 1.650

Thickness=0.080

These PEP valve spring seats/bases are made from hardened 4140 chromemoly steel for long life and are black oxide coated for a high quality appearance. The valve spring seats/bases are designed for use with all cylinder heads.

 

O.D=1.250

I.D= 0.569

locator O.D=0.655

Thickness=0.060

These PEP valve spring seats/bases are made from hardened 4140 chromemoly steel for long life and are black oxide coated for a high quality appearance. The valve spring seats/bases are designed for use with all cylinder heads.

 

O.D=1.235

I.D= 0.505

locator O.D=0.590

Thickness=0.060

These PEP valve spring seats/bases are made from hardened 4140 chromemoly steel for long life and are black oxide coated for a high quality appearance. The valve spring seats/bases are designed for use with all cylinder heads.

 

O.D=1.490

I.D= 0.569

locator O.D=0.720

Thickness=0.060

These PEP valve spring seats/bases are made from hardened 4140 chromemoly steel for long life and are black oxide coated for a high quality appearance. The valve spring seats/bases are designed for use with all cylinder heads.

 

O.D=1.490

I.D= 0.515

locator O.D=0.680

Thickness=0.060

These PEP valve spring seats/bases are made from hardened 4140 chromemoly steel for long life and are black oxide coated for a high quality appearance. The valve spring seats/bases are designed for use with all cylinder heads.

 

O.D=1.535

I.D= 0.569

locator O.D=0.740

Thickness=0.060

These PEP valve spring seats/bases are made from hardened 4140 chromemoly steel for long life and are black oxide coated for a high quality appearance. The valve spring seats/bases are designed for use with all cylinder heads.

 

O.D=1.550

I.D= 0.569

locator O.D=0.715

Thickness=0.060

These PEP valve spring seats/bases are made from hardened 4140 chromemoly steel for long life and are black oxide coated for a high quality appearance. The valve spring seats/bases are designed for use with all cylinder heads.

 

O.D=1.550

I.D= 0.640

locator O.D=0.740

Thickness=0.060

These PEP valve spring seats/bases are made from hardened 4140 chromemoly steel for long life and are black oxide coated for a high quality appearance. The valve spring seats/bases are designed for use with all cylinder heads.

 

O.D=1.570

I.D= 0.569

locator O.D=0.810

Thickness=0.060

These PEP valve spring seats/bases are made from hardened 4140 chromemoly steel for long life and are black oxide coated for a high quality appearance. The valve spring seats/bases are designed for use with all cylinder heads.

 

O.D=1.620

I.D= 0.569

locator O.D=0.740

Thickness=0.060

 

These PEP valve spring seats/bases are made from hardened 4140 chromemoly steel for long life and are black oxide coated for a high quality appearance. The valve spring seats/bases are designed for use with all cylinder heads.

 

O.D=1.620

I.D= 0.640

locator O.D=0.740

Thickness=0.060

Address: 57 McSaveneys Rd, Christchurch, New Zealand   Phone: 0800 132 KERZAN   Email: info@kerzan.co.nz

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