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6.1L Performance Heads

**$1300 Refundable Core Charge Applies
Charge will be added to your checkout price
Refunds will be provided after inspection of the returned unit(s).

   Stage One Econo  Stage Two Street/Strip  Stage Three Extreme
Valves Stock 2.00 x 1.55  Stock 2.00 x 1.55  Ferrea Valve 2.02 x 1.57 
Proprietary Design Hand Blended Valve Job
Bowl Ported
Port Matched Runners
5-Angle Proprietary Cut 
 Hand Blended Valve Job
Bowl Ported
Port Matched Runners
5-Angle Proprietary Cut
Fully Ported Runners
Chambers Radius & Polished
Hand Blended Valve Job
Max Bowl Ported
Max Port Matched Runners
5-Angle Proprietary Cut
Fully Ported Runners
Chambers Radius & Polished 
Flow  319 cfm  340 + cfm 365 + cfm 
Springs SRT8   PAC 1218 w/ Install Height Set & Equalized Custom Spring Seats PAC 1218 w/ Install Height Set & Equalized Custom Spring Seats 
Seals  Custom Teflon Custom Teflon  Custom Teflon 
Recommended Intake Manifold  Stock Friendly  Stock or MWP/FRI Ported 6.1  MWP/FRI Ported 6.1 
Price   $1425.00   $2300.00 $3200.00 

 


6.1L Performance Heads
Image Name Price  
FRI'D 6.1L Econo Heads FRI'D 6.1L Econo Heads
Stage 1 The MWP/FRI Econo head was designed for the cash strapped hot rodder who in this game feels that there is no wa…
$1425.00
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FRI'D 6.1L Street Strip Heads FRI'D 6.1L Street Strip Heads
Stage 2 The MWP/FRI Street Strip head is the next step up in the performance head game for the weekend racer wanting to…
$2300.00
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