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Cummins 6.7L ISB High Performance Valve Train Kit
$889.99
MSRP: $999.99
You Save: $110.00 (11 %)
Superior Quality Parts: Heavy Duty Pros parts meet and exceed the OEM quality specifications.
Fast Shipping: We ship from warehouses across the US to ensure the quickest delivery.
Expert Technical Advice: Industry repair technicians are standing by to provide expert advice for your repair.
Huge Savings: We offer competitive online pricing for significant savings.
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Product Details & Specifications
Valve Train Kit Includes: (12) High Performance Intake Valves, 1.299" Head Diameter - 4.893" Length (12) High Performance Exhaust Valves, 1.299" Head Diameter - 4.907" Length (24) High Performance Valve Springs* (48) Valve Keepers
*Valve Spring Specs Closed Pressure: 110@1.360 Coils / Turn Direction: 6.78 RH I.D: 0.743 Length: 2.035 O.D.: 1.058 Open Pressure: 159@1.060 Solid Height: 0.854 Wire Diameter: 0.157 x 0.126
SBIs diesel performance valves are a bimetallic design utilizing special processes which improve their overall durability and performance over stock valves. Each valve is constructed using a premium-grade austenitic stainless steel head material on both the intake (EV8) and exhaust (EV16) with a mid-stem weld using a high-grade chromium steel stem material (HNV3). Each valve is fully machined and nitrided all over, then polished. Each valve tip is hardened to a minimum of 50 HRc for added durability.
SBI Performance springs are manufactured from the highest quality-grade wire. The high qualitywire allows our springs to endure high loads produced by racing cams. Springs are heat-treatedand stress relieved to increase spring longevity and provide the stability needed for high loadsand high RPM.
Benefit of Nitriding Process: - Surface Hardness increases, hence fatigue life of spring increases by 32%
- Creep resistance of spring increases by 45%
Valve Features - Premium-grade austenitic stainless steel head material on both intake and exhaust.
- High-grade chromium steel stem material on both intake and exhaust.
- Special nitride processStrengthens entire valve and adds additional friction wear resistance.
- Polished stemBetter friction wear resistance and improved seal between valve stem and stem seal.
- Polished top of headOffers less carbon buildup.
- Mid-stem weldSuperior durability over wafer tip for these applications.
- Nitride on seat face offers added wear resistance, hardness, and durability.
- Nitrided all over with a smooth black satin finish
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