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 TA Performance Products
 16167 N. 81st Street
 Scottsdale, AZ 85260
 (480) 922-6807

  




Home » Valve Train

 
Product ID: TA_278R
455R.573"-238'/.573"-238',108'
 

Recommended for street or strip. Good all-around performance. Easy on valve train. TA roller rockers required. Needs notched pistons Moderate idle. 2500+ stall converter recommended. 10:1 or more CR.

VALVE LIFT 

  • TA ROLLERS 1.60 RATIO:
     IN: .573”
     EXH: .573”
  • TA ROLLERS 1.65 RATIO:
     IN: .590” 
      EXH:
    .590”
DURATION
  • AT .050
     IN: 238
     EXH: 239
  • ADVERTISED
     IN: 278
     EXH: 278
  • LOBE CENTER: 108
  • POWER RANGE: 2000-6000

**400-430-455 applications will need to use TA 1106 Lifter Bore girdle, oil through pushrods,
     TA Grooved cam bearings and TA Roller Rockers.

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Price: $635.00
 

 
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