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Butler/Comp Custom Cam & Lifter Master Kit Pontiac HR BPI-K-BP8051SP

Found in our 500+ cu. in. Butler Performance Engines with a little smoother idle than the 112

(HR) (Std Firing Order/ Std Journals) 300/306, 248/254, .563/.581, 114LS with 1.5 ratio rockers
Lift with 1.65 ratio rockers .619/.639

Slightly more vacuum than a 112 and produces a little smoother idle.
Pricing: $1,549.95

Customize Your Item

- Choose Your Head -
 * required
- Choose Retainer Option -
 * required
- Choose Cam Install Option -
 * required
- Choose Break in Oil Option -
 * required
- Choose your Polymer Distr. Gear -
 * required
- Choose Your Lifter Set -
 * required
- Choose your Rocker Arms -
 * required
- Choose Your Timing Set -
 * required
- Choose Valley Pan Option -
 * required
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Butler custom cam master kits are designed and tested kits built with the parts we think are best for the application. Each kit has the correct cam/lifter/and spring combination with everything you need to perform a top end performance upgrade without guessing if it will work.

Choice of Hyd. roller lifters

o Morel 5884R
o Johnson 2112-OPR

Timing Set: Pontiac Pro Billet Timing Set
o Billet Gears, 9 Keyway Crank Sprocket w/ Seamed Chain **Hone to fit if needed**

Valve Springs: LUN-73949-16 (Cast Iron D-Port)
o Type: Dual With Damper O.D. Outer: 1.440" I.D. Outer: 1.096" I.D. Inner: .750" Coil Bind: .950" Seat Load: 120@1.650" Open Load: 319@1.100" Rate (lbs/in): 363

Valve Springs: EDL-5845 (Cast Iron SD/RAIV and Edelbrock Heads)
o 1.460 in. O.D., 1.200 in. Coil Bind Height

o 10 Degree Chromoly Retainers- For 1.437''-1.500" Diameter Springs

Also includes a pushrod length checking tool for accurate push rod selection and matching locks and valve stem seals


Shipping Information

  • Item Requires Shipping
  • 25.0 lbs.
  • Free Shipping!

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