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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
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
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
1x Camshaft
16x Valve Springs
1x Timing Cover Gaskets
1x Harmonic Balancer Bolt
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
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