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4G63 DOHC Extreme Force Beehive Springs | KVS63-EXTREME

4G63 DOHC Extreme Force Beehive Springs | KVS63-EXTREME

$532.03 - $532.03
$532.03
$532.03 - $532.03
$532.03
  • Description

Ultimate Valve Spring and Retainer Kit for Drag Racing 4G63 engine

Designed for 1650+HP applications / 11,000+RPM
Not for the faint hearted, ready to break records.

Key features:

  • 142lb on the Seat, 292lb open
  • Pac Racing High Frequency Beehive
  • Huge 14mm to coil bind
  • 4340 Black Nitrided Retainer for extra durability
  • 4140 CNC machined seat

Intake installs at 39.5mm 132 lbs. seated, 278lbs at 12mm lift.
Exhaust installs at 38.5mm 142 lbs. seated, 292 lbs. at 12mm lift.
Maximum lift 14.0mm, Coil Band: 24.50mm