Features

Guaranteed to fit and meet the specifications of the OE parts being replaced

Utilizes the latest in design and material technology, ensuring quiet and maintenance-free experience

Produced under strictly observed quality under highest ISO 9001:2000 international standards

Advanced manufacturing technology ensures durability and optimum operation

Specialized designs yield significant and noticeable improvements to your car engine​​

About this kit

• 238/242 duration @ .050” with .595”/.595” valve lift and 112 degree lobe separation angle
• Includes PAC-1218 valve springs, balancer bolt, and timing cover gaskets
• Increases top end power while sacrificing some low end torque
• Very aggressive cam for a street driven 5.3L and is better suited for 6.0L or stroker engines
• 3000 rpm stall converter is suggested to maximize performance

Cam specs:
Cam Lift Intake: .350
Cam Lift Exhaust: .350
Valve Lift Intake: .595
Valve Lift Exhaust: .595
Adv. Duration Intake: 296°
Adv. Duration Exhaust: 299°
Duration @ .050 Cam Lift Intake: 238°
Duration @ .050 Cam Lift Exhaust: 242°
Intake Opens at: 11° BTC
Intake Closes at: 47° ABC
Exhaust Opens at: 57° BBC
Exhaust Closes at: 5° ATC
Camshaft Overlap: 73°
Lobe Line Intake: 108°
Lobe Line Exhaust: 116°
Operating Power Range: 2,200-5,400 rpm

Valve Springs

The 1200 Series Springs were developed for the sportsman racer looking for a quality but budget minded product. 1200 Series springs come with PAC Racing Proprietary heat treat process that will allow for outstanding load loss and durability.

• Part# : PAC-1218
• Name: PAC-1218 LS1 HP Ovate Wire Beehive
• Description: LS1 OEM Ovate Beehive Valve Spring
• OD Large End: 1.290
• ID Large End: 0.885
• ID Small End: 0.650
• Install Height: 1.800
• Load at Installed Height: 130
• Spring Open Height: 1.200
• Spring Open Load: 318
• Recommended Valve Lift: 0.600
• Spring Rate (lbs/in): 313.000
• Mass (grams): 62.00
• Coil Bind (max): 1.140

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TCS45993 Chevy LS Timing Cover Gaskets

   Chevy LS Engine Timing Cover Gaskets

   Unsurpassed quality you can trust

   Includes gaskets and seals for timing chain and water pump replacement job

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Chevrolet Performance Parts 12557840 Harmonic Balancer Bolt

   High quality steel construction

   Hex head style

   16mm x 2.0 thread size

   4.055" underhead length

Item Includes:

Notice:
1.Please kingly check the fitment information of this set, using the drop down fitment chart to confirm the compatibility.

2.Please refer to the first product image for the components list of this set.

3.We always check every set before shipment, if there are any defects upon receiving or any other quality problems of our gaskets, please kindly massage us for a replacement or refund, we will solve your problems patiently