Cylinder Heads
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LSXceleration Inconel 8mm x 1.550 LS Exhaust Valve 15-31550-1
LSXCELERATION
$35.50LSXceleration Inconel 8mm x 1.550 LS Exhaust Valve 15-31550-1 Inconel LS Valve 1.550" Head x 8mm Stem x 4.915" OAL x 0.160" Tip Features: Hardened Stem Tip Ideal for Extreme Duty and Turbo Applications Chrome Plated Stem Fully Machined...15-31550-1$35.50 -
Manley Extreme Duty 8mm x 1.560 L83 5.3L Exhaust Valves 12363-8
MANLEY
$489.59Manley Extreme Duty 8mm x 1.560 L83 5.3L Exhaust Valves Stainless 12363-8 EXTREME DUTY SERIES Top Fuel, Funny Car and Marine Engine Exhaust Valves More Hot Hardness and High Temperature Strength than any competitive offerings Chrome Stems and Hard...12363-8$489.59 -
Manley Severe Duty 8mm x 1.930 L83 5.3L Intake Valves Stainless 12358-8
MANLEY
$296.64Manley Severe Duty 8mm x 1.930 L83 5.3L Intake Valves Stainless 12358-8 The Severe Duty® series of valves is the Manley signature in the performance and racing industry. Exhaust material XH-428 and intake material NK-844 is offered by no competitor...12358-8$296.64 -
Manley Severe Duty 8mm x 1.560 L83 5.3L Exhaust Valves Stainless 12361-8
MANLEY
$286.72Manley Severe Duty 8mm x 1.560 L83 5.3L Exhaust Valves Stainless 12361-8 The Severe Duty® series of valves is the Manley signature in the performance and racing industry. Exhaust material XH-428 and intake material NK-844 is offered by no competitor...12361-8$286.72 -
Manley Race Series 8mm x 1.930 L83 5.3L Intake Valves Stainless 12356-8
MANLEY
$179.69Manley Race Series 8mm x 1.930 L83 5.3L Intake Valves Stainless 12356-8 Manley is known as one of the leading manufacturers of Racing Valves in the world. Manley Racer Series Stainless Steel Valves were engineered for Street Performance and Racing...12356-8$179.69 -
Manley Race Series 8mm x 1.560 L83 5.3L Exhaust Valves Stainless 12359-8
MANLEY
$179.69Manley Race Series 8mm x 1.560 L83 5.3L Exhaust Valves Stainless 12359-8 Manley is known as one of the leading manufacturers of Racing Valves in the world. Manley Racer Series Stainless Steel Valves were engineered for Street Performance and Racing...12359-8$179.69 -
Dart Stainless Steel GM LS7 1.625 Exhaust Valve 21397625
DART MACHINERY
$18.63Dart Stainless Steel GM LS7 1.625 Exhaust Valve 21397625 Dart stainless steel valves are designed to withstand the pressures of high-lift roller cams and feature a head design that promotes high flow. They are constructed of high-strength stainless steel...21397625$18.63 -
Dart Stainless Steel 8mm x 2.200 LS7 Intake Valve 21397200
DART MACHINERY
$23.33Dart Stainless Steel 8mm x 2.200 LS7 Intake Valve 2139720021397200$23.33 -
Dart Stainless Steel 8mm x 2.080 LS1 Intake Valve 21392080
DART MACHINERY
$18.63Dart Stainless Steel 8mm x 2.080 LS1 Intake Valve 2139208021392080$18.63 -
Dart Stainless Steel 8mm x 2.055 LS1 Intake Valve 21392055
DART MACHINERY
$18.63Dart Stainless Steel 8mm x 2.055 LS1 Intake Valve 2139205521392055$18.63 -
Dart Stainless Steel 8mm x 2.020 LS1 Intake Valve 21392020
DART MACHINERY
$18.63Dart Stainless Steel 8mm x 2.020 LS1 Intake Valve 2139202021392020$18.63 -
Dart Race Series 7/16" Head Stud Kit 66120027 - 23 Bolt For Aluminum LS 10 Degree Next Block
DART MACHINERY
$555.69Dart Race Series 7/16" Head Stud Kit 66120027 - 23 Bolt For Aluminum LS 10 Degree Next Block66120027$555.69