Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) 1JZProven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust valves, tested at 40,000 psi and 1400? F, impressively endured up to 100,000,000 (one hundred million) cycles. In contrast, competitors' offerings failed after just 100,000 cycles, showcasing a
or Porsche vehicle
0L Non-T (From 2/89) / 93-98 Nissan Skyline RB25DET Eng
Includes a sporty catalytic converter
the Stage Series Driving pattern has a rectangular 30x20 degree pattern that is far more useful for directing light downrange at high speeds
those performing heavy towing
TEIN Quality for durability
Perrin Performance has released their cold air intake system for the Subaru WRX and STI
This will bolt up with a 3
The EVO7103 Evolution Cold Air Intake System uses a custom designed and dyno-tuned intake tube to produce huge power gains while retaining an OE quality fit
Compatible with REMARK Q50 Axleback Exhaust
the Duramax's plastic cooling components
You can also purchase a variety of hose and flange adaptors for custom fitments