Skip to content

Cylinder Parts and Assemblies

Superior Millennium Cylinder SL36006N-A21P LYC 4 CYL KIT

Original price $6,372.00 - Original price $6,372.00
Original price
$6,372.00
$6,372.00 - $6,372.00
Current price $6,372.00
Out of stock

Complete New Millennium Cylinder Assemblies contain the following new parts: head, barrel, valves, valve seats, valve guides, piston, rings, gaske...

View full details
Original price $6,372.00 - Original price $6,372.00
Original price
$6,372.00
$6,372.00 - $6,372.00
Current price $6,372.00
Sold out

Superior Millennium Cylinder SL32006NA-A21P

Original price $1,668.60 - Original price $1,668.60
Original price
$1,668.60
$1,668.60 - $1,668.60
Current price $1,668.60
Out of stock

Complete New Millennium Cylinder Assemblies contain the following new parts: head, barrel, valves, valve seats, valve guides, piston, rings, gaske...

View full details
Original price $1,668.60 - Original price $1,668.60
Original price
$1,668.60
$1,668.60 - $1,668.60
Current price $1,668.60
Sold out

Superior SL36000N-A20P Millennium CYL

Original price $1,506.60 - Original price $1,506.60
Original price
$1,506.60
$1,506.60 - $1,506.60
Current price $1,506.60
Out of stock

Complete New Millennium Cylinder Assemblies contain the following new parts: head, barrel, valves, valve seats, valve guides, piston, rings, gaske...

View full details
Original price $1,506.60 - Original price $1,506.60
Original price
$1,506.60
$1,506.60 - $1,506.60
Current price $1,506.60
Sold out

Superior SL15316 Valve CAP

Original price $35.42 - Original price $35.42
Original price
$35.42
$35.42 - $35.42
Current price $35.42
Out of stock

Uniform hardness all the way through the steel barrel walls which allows the barrel to provide even wear while withstanding extreme cylinder temp...

View full details
Original price $35.42 - Original price $35.42
Original price
$35.42
$35.42 - $35.42
Current price $35.42
Sold out

Superior SL66713A Guide Intake Valve

Original price $29.81 - Original price $29.81
Original price
$29.81
$29.81 - $29.81
Current price $29.81
Out of stock

Uniform hardness all the way through the steel barrel walls which allows the barrel to provide even wear while withstanding extreme cylinder temp...

View full details
Original price $29.81 - Original price $29.81
Original price
$29.81
$29.81 - $29.81
Current price $29.81
Sold out

Superior SL62388 Roto CAP

Original price $26.84 - Original price $26.84
Original price
$26.84
$26.84 - $26.84
Current price $26.84
Out of stock

Uniform hardness all the way through the steel barrel walls which allows the barrel to provide even wear while withstanding extreme cylinder temp...

View full details
Original price $26.84 - Original price $26.84
Original price
$26.84
$26.84 - $26.84
Current price $26.84
Sold out

Superior SL25C-9 Stud

Original price $8.10 - Original price $8.10
Original price
$8.10
$8.10 - $8.10
Current price $8.10
Out of stock

Uniform hardness all the way through the steel barrel walls which allows the barrel to provide even wear while withstanding extreme cylinder temp...

View full details
Original price $8.10 - Original price $8.10
Original price
$8.10
$8.10 - $8.10
Current price $8.10
Sold out

Superior SL10452 Stablizer FIN

Original price $10.26 - Original price $10.26
Original price
$10.26
$10.26 - $10.26
Current price $10.26
Out of stock

Uniform hardness all the way through the steel barrel walls which allows the barrel to provide even wear while withstanding extreme cylinder temp...

View full details
Original price $10.26 - Original price $10.26
Original price
$10.26
$10.26 - $10.26
Current price $10.26
Sold out

Superior MS20823-8D Elbow

Original price $33.16 - Original price $33.16
Original price
$33.16
$33.16 - $33.16
Current price $33.16
Out of stock

Uniform hardness all the way through the steel barrel walls which allows the barrel to provide even wear while withstanding extreme cylinder temp...

View full details
Original price $33.16 - Original price $33.16
Original price
$33.16
$33.16 - $33.16
Current price $33.16
Sold out

Superior SL15314 Valve

Original price $215.73 - Original price $215.73
Original price
$215.73
$215.73 - $215.73
Current price $215.73
Out of stock

Uniform hardness all the way through the steel barrel walls which allows the barrel to provide even wear while withstanding extreme cylinder temp...

View full details
Original price $215.73 - Original price $215.73
Original price
$215.73
$215.73 - $215.73
Current price $215.73
Sold out

Superior Millennium Cylinder SL10302-A20P LYC 4 CYL KIT

Original price $7,668.00 - Original price $7,668.00
Original price
$7,668.00
$7,668.00 - $7,668.00
Current price $7,668.00
Out of stock

Uniform hardness all the way through the steel barrel walls which allows the barrel to provide even wear while withstanding extreme cylinder tempe...

View full details
Original price $7,668.00 - Original price $7,668.00
Original price
$7,668.00
$7,668.00 - $7,668.00
Current price $7,668.00
Sold out

Superior SL72242 Valve Cover

Original price $63.45 - Original price $63.45
Original price
$63.45
$63.45 - $63.45
Current price $63.45
Out of stock

Uniform hardness all the way through the steel barrel walls which allows the barrel to provide even wear while withstanding extreme cylinder temp...

View full details
Original price $63.45 - Original price $63.45
Original price
$63.45
$63.45 - $63.45
Current price $63.45
Sold out

Superior SL69532 Seat

Original price $16.74 - Original price $16.74
Original price
$16.74
$16.74 - $16.74
Current price $16.74
Out of stock

Uniform hardness all the way through the steel barrel walls which allows the barrel to provide even wear while withstanding extreme cylinder temp...

View full details
Original price $16.74 - Original price $16.74
Original price
$16.74
$16.74 - $16.74
Current price $16.74
Sold out

Superior SL10545 Piston

Original price $295.87 - Original price $295.87
Original price
$295.87
$295.87 - $295.87
Current price $295.87
Out of stock

Uniform hardness all the way through the steel barrel walls which allows the barrel to provide even wear while withstanding extreme cylinder temp...

View full details
Original price $295.87 - Original price $295.87
Original price
$295.87
$295.87 - $295.87
Current price $295.87
Sold out

Superior SL66670 Bushing Rocker Shaft

Original price $1.93 - Original price $1.93
Original price
$1.93
$1.93 - $1.93
Current price $1.93
Out of stock

Through hardened steel barrel - uniform hardness all the way through the steel walls allowing the barrel to provide even wear while withstanding ...

View full details
Original price $1.93 - Original price $1.93
Original price
$1.93
$1.93 - $1.93
Current price $1.93
Sold out

Superior SL72058A Insert Exhaust Valve Seat

Original price $58.16 - Original price $58.16
Original price
$58.16
$58.16 - $58.16
Current price $58.16
Out of stock

Uniform hardness all the way through the steel barrel walls which allows the barrel to provide even wear while withstanding extreme cylinder temp...

View full details
Original price $58.16 - Original price $58.16
Original price
$58.16
$58.16 - $58.16
Current price $58.16
Sold out

Superior SL10207 Piston

Original price $314.23 - Original price $314.23
Original price
$314.23
$314.23 - $314.23
Current price $314.23
Out of stock

Through hardened steel barrel - uniform hardness all the way through the steel walls allowing the barrel to provide even wear while withstanding ...

View full details
Original price $314.23 - Original price $314.23
Original price
$314.23
$314.23 - $314.23
Current price $314.23
Sold out

Superior Millennium Cylinder SL36006N-A21P Complete Assembly

Original price $1,593.00 - Original price $1,593.00
Original price
$1,593.00
$1,593.00 - $1,593.00
Current price $1,593.00
Out of stock

Complete New Millennium Cylinder Assemblies contain the following new parts: head, barrel, valves, valve seats, valve guides, piston, rings, gaske...

View full details
Original price $1,593.00 - Original price $1,593.00
Original price
$1,593.00
$1,593.00 - $1,593.00
Current price $1,593.00
Sold out

MS20822-6D Superior Elbow

Original price $33.16 - Original price $33.16
Original price
$33.16
$33.16 - $33.16
Current price $33.16
Out of stock

Uniform hardness all the way through the steel barrel walls which allows the barrel to provide even wear while withstanding extreme cylinder temp...

View full details
Original price $33.16 - Original price $33.16
Original price
$33.16
$33.16 - $33.16
Current price $33.16
Sold out

Superior SL-STD-1872 Insert Helicoil 1/8-27 NPT

Original price $2.45 - Original price $2.45
Original price
$2.45
$2.45 - $2.45
Current price $2.45
Out of stock

Uniform hardness all the way through the steel barrel walls which allows the barrel to provide even wear while withstanding extreme cylinder temp...

View full details
Original price $2.45 - Original price $2.45
Original price
$2.45
$2.45 - $2.45
Current price $2.45
Sold out

Superior SL11900 Intake Valve

Original price $49.14 - Original price $49.14
Original price
$49.14
$49.14 - $49.14
Current price $49.14
Out of stock

Uniform hardness all the way through the steel barrel walls which allows the barrel to provide even wear while withstanding extreme cylinder temp...

View full details
Original price $49.14 - Original price $49.14
Original price
$49.14
$49.14 - $49.14
Current price $49.14
Sold out

Superior SL72057A Insert Intake Valve Seat

Original price $59.35 - Original price $59.35
Original price
$59.35
$59.35 - $59.35
Current price $59.35
Out of stock

Uniform hardness all the way through the steel barrel walls which allows the barrel to provide even wear while withstanding extreme cylinder temp...

View full details
Original price $59.35 - Original price $59.35
Original price
$59.35
$59.35 - $59.35
Current price $59.35
Sold out

Superior Millennium Cylinder SL10302-A20P

Original price $1,917.00 - Original price $1,917.00
Original price
$1,917.00
$1,917.00 - $1,917.00
Current price $1,917.00
Out of stock

Uniform hardness all the way through the steel barrel walls which allows the barrel to provide even wear while withstanding extreme cylinder tempe...

View full details
Original price $1,917.00 - Original price $1,917.00
Original price
$1,917.00
$1,917.00 - $1,917.00
Current price $1,917.00
Sold out

Millennium Superior Cylinder SL36006W-A21P LYC 6 CYL KIT

Original price $10,018.08 - Original price $10,018.08
Original price
$10,018.08
$10,018.08 - $10,018.08
Current price $10,018.08
Out of stock

Complete New Millennium Cylinder Assemblies contain the following new parts: head, barrel, valves, valve seats, valve guides, piston, rings, gaske...

View full details
Original price $10,018.08 - Original price $10,018.08
Original price
$10,018.08
$10,018.08 - $10,018.08
Current price $10,018.08
Sold out