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Butler/Comp Custom Cam & Lifter Master Kit Pontiac Xtreme Energy XE256H 256/268, 212/218, .447/.455, 110 Hyd BPI-K51-221-4

BPI-K51-221-4
Lift .447"/.455"
Duration 256°/368°
RPM Range 1000-5200
Includes Cam and Lifter Master Kit
Pricing: $479.95

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Description

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.

Cam: CCA-51-221-4
Pontiac Xtreme Energy XE256H 256/268, 212/218, .447/.455, 110 Hyd
• Quicker opening lobe profiles deliver increased responsiveness & more area under the lift curve
• More vacuum allows a step up in duration for greater performance
• Best seller; excellent all around performance in street carbureted applications

Lifters:CCA-852B-16 Comp Cams Pontiac Std. Hyd Lifter (Set)
• *Hy-lift Johnson/Made In The USA*

Timing Set: JPP-5614 Pontiac Pro Billet Timing Set
• Billet Gears, 9 Keyway Crank Sprocket w/ Seamed Chain **Hone to fit if needed**

Valve Springs: CCA-988-16 (Cast Iron D-Port)
• 1.384 Dual Springs 125 @ 1.600, 240 @1.100, Coil Bind 1.000 (Set)

Valve Springs: CCA-986-16 (Cast Iron SD/RAIV and Edelbrock Heads)
• 1.430 Dual Spring 120 @ 1.780, 280 @ 1.250, Coil Bind 1.150 (Set)

Retainers: CCA-743-16
• Comp Cams 7-Degree Chromoly Retainers (Set)

Also includes matching locks and seals

Notice: All flat tappet cams require break-in oil and the use of oil additives. They also require a more extensive break-in process.

Details

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  • 25.0 lbs.
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