KelfordCams – Holden – PAC 1204X Dual Spring x 16 (PAC-1204X)

KelfordCams – Holden – PAC 1204X Dual Spring x 16 (PAC-1204X)

KelfordCams – Holden – PAC 1204X Dual Spring x 16(PAC-1204X)

145lb @ 1.800? installed height. 385lb at 0.650? valve lift.

CHEVROLET LS1. PAC-1204X RPM Series Dual Spring set of 16.
Premium quality Japanese spring steel wound in USA by PAC. Made with advanced heat treatment processing and surface finishing techniques (nano peening) to extend fatigue life.
High spring frequency to allow for better spring surge control at high rpm.

145lb at 1.800? installed height.
385lb at 0.650? valve lift.
Coil bind (spring solid height) 1.000?.

RET135-16 is the matching Titanium retainer.

Not all camshafts are created equal. You need to be very careful when choosing a new camshaft for your car, as choosing the wrong one can significantly drop your engine’s power.

Upgrading a camshaft is a very technical and complicated subject. Here are a few different factors of a car’s performance that a Kelford Cams camshaft can improve and deliver:
• Increased engine torque
• Improved RPM performance
• Enhanced horsepower
• Better engine idle smoothness
• Higher engine speed performance
• Superior fuel efficiency

Again, it’s not as simple as drop in a camshaft & you go faster. Several factors change depending on your car and what you require. Results will vary based on a number of options. For better understanding please watch video and/or review questions and answers below.

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