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Direct replacement for the stock head bolts and cylinder studs. Quality is much higher and recommended for performance builds. Complete kit. Head bolts: - Black oxide coated - Heat treated 8640 steel - 200.000 psi ultimate tensile strength - 9/16" 12 point head with integral washer - Formed threads - Cold formed head - Re-usable cylinder studs - 4140 Chrome Moly - Oil quenched and tempered to 39-44 HRC - 180,000psi Tensile Strength - Rounded thread roots, rather than flat, improving fatigue strength - Positive stop shoulder allows for consistent installed height
S&S
New

S&S. M8 head bolt & stud kit

#986077

Stock:Yes

Fits 250cc two stroke models
Athena

Athena, cylinder head gasket H-D / Cagiva

#979877

Stock:Yes

.032" thick copper. For 3-5/8" big bore. Fits front & rear. Note: See 9778 for S&S 3-5/8" cylinder base gaskets.
S&S

S&S, cylinder head gaskets. .032" copper 3-5/8" big bore

#977839

Stock:Yes

With brass rocker oil lines. Special dual rockers lines are used to help prevent front rocker box oil starvation at start-up.
Paughco

Paughco, 'Old STF' dual rocker box oil lines. Brass

#902774

Stock:Yes

113, 116, 124 engines
S&S

S&S, head bolt kit

#948090

Stock:Yes

Thickness 0,4mm. Good quality raw materials are being used to produce this gasket, using inline laser cutting and multi-stage stamping technology.
Athena

Athena, Cylinder head gasket

#907268

Stock:Yes

Thickness same as OE. Good quality raw materials are being used to produce this gasket, using inline laser cutting and multi-stage stamping technology.
Athena

Athena, Cylinder head gasket

#906747

Stock:Yes

Thickness same as OE. Good quality raw materials are being used to produce this gasket, using inline laser cutting and multi-stage stamping technology.
Athena

Athena, Cylinder head gasket

#907516

Stock:Yes

The Athena top end gasket kits include all necessary gaskets to rebuild the top end of the engine from the base gasket up. Kit includes all rubber gaskets, such as valve cover gaskets, o-rings and valve stem seal. High temperature blue silicon beading on most critical flat gaskets.
Athena

Athena, top end gasket kit

#909491

Stock:Yes

The Athena top end gasket kits include all necessary gaskets to rebuild the top end of the engine from the base gasket up. Kit includes all rubber gaskets, such as valve cover gaskets, o-rings and valve stem seal. High temperature blue silicon beading on most critical flat gaskets.
Athena

Athena, top end gasket kit

#907915

Stock:Yes

Thickness same as OE. Good quality raw materials are being used to produce this gasket, using inline laser cutting and multi-stage stamping technology.
Athena

Athena, Cylinder head gasket

#907158

Stock:Yes

Thickness same as OE. Good quality raw materials are being used to produce this gasket, using inline laser cutting and multi-stage stamping technology.
Athena

Athena, Cylinder base gasket

#907517

Stock:Yes

The Athena top end gasket kits include all necessary gaskets to rebuild the top end of the engine from the base gasket up. Kit includes all rubber gaskets, such as valve cover gaskets, o-rings and valve stem seal. High temperature blue silicon beading on most critical flat gaskets.
Athena

Athena, top end gasket kit

#909492

Stock:Yes

The Athena top end gasket kits include all necessary gaskets to rebuild the top end of the engine from the base gasket up. Kit includes all rubber gaskets, such as valve cover gaskets, o-rings and valve stem seal. High temperature blue silicon beading on most critical flat gaskets.
Athena

Athena, top end gasket kit

#908026

Stock:Yes

The Athena top end gasket kits include all necessary gaskets to rebuild the top end of the engine from the base gasket up. Kit includes all rubber gaskets, such as o-rings and valve stem seal. Valve cover gasket is separately available. High temperature blue silicon beading on most critical flat gaskets.
Athena

Athena, top end gasket kit

#910270

Stock:Yes

The Athena top end gasket kits include all necessary gaskets to rebuild the top end of the engine from the base gasket up. Kit includes all rubber gaskets, such as valve cover gaskets, o-rings and valve stem seal. High temperature blue silicon beading on most critical flat gaskets.
Athena

Athena, top end gasket kit

#908025

Stock:Yes

The Athena top end gasket kits include all necessary gaskets to rebuild the top end of the engine from the base gasket up. Kit includes all rubber gaskets, such as valve cover gaskets, o-rings and valve stem seal. High temperature blue silicon beading on most critical flat gaskets.
Athena

Athena, top end gasket kit

#908370

Stock:Yes

Thickness 0,35mm. Good quality raw materials are being used to produce this gasket, using inline laser cutting and multi-stage stamping technology.
Athena

Athena, Cylinder head gasket

#907269

Stock:Yes

Thickness same as OE. Good quality raw materials are being used to produce this gasket, using inline laser cutting and multi-stage stamping technology.
Athena

Athena, Cylinder head gasket

#907463

Stock:Yes

The Athena top end gasket kits include all necessary gaskets to rebuild the top end of the engine from the base gasket up. Kit includes all rubber gaskets, such as valve cover gaskets, o-rings and valve stem seal. High temperature blue silicon beading on most critical flat gaskets.
Athena

Athena, top end gasket kit

#909133

Stock:Yes