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Fits spacer 10518

Fits spacer 10521S, GM, Metric #2

For Wide Five; 2.346" ID, 3.486" OD, .376" Width

For 2.5" Grand National 5x5 Rear; 2.94" ID, 3.757" OD, .374" Width

For Mustang/Pinto Hybrid - Small Outer; 1.928" ID, 2.509" OD, .251" Width

For GM Metric Front; 1.946" ID, 2.567" OD, .254" Width

100g Cartridge; Kluber Isoflex Topas NB52

50g Syringe

Takes standard 100g cartridges.

Available Options:

• Flare: -06 or -08 AN
  
• Carb Application: Holley, Demon, Rochester, Carter, Edelbrock, or Braswell
• Length: Standard, 1" and 2" Longer
  

Black, 8mm Spiral Core, 90° Boots, HEI Style, Under Header, Sleeved, SBC

Blue, 8mm Spiral Core, 90° Boots, HEI Style, Under Header, Sleeved, SBC

Purple, 8mm Spiral Core, 90° Boots, HEI Style, Under Header, Sleeved, SBC

Red, 8mm Spiral Core, 90° Boots, HEI Style, Under Header, Sleeved, SBC

Black, 8mm Spiral Core, 90° Boots, HEI Style, Under Header, Sleeved, 4-Cyl

Black, 8mm Spiral Core, 90° Boots, HEI Style, Over Valve Cover, SBC

• For 602 & 604 Crate engines.
• 3" Inlet x 3" Outlet
• Mild Steel

• For 600+ HP Engines
• 3-1/2" Inlet x 3-1/2" Outlet
• Mild Steel

• For 500-600 HP at crankshaft.
3" Inlet x 3-1/2" Outlet
• Mild Steel

• Tube Size: 3-1/2"
• Cone Length: 4-3/4"
• Install Collar Height: 1"

• Tube Size: 3"
• Cone Length: 3-3/4"
• Install Collar Height: 1"

• Application: SBC/Ford Aluminum Heads
• Resistor: Non-Resistor
• Hex Size: 5/8"
• Thread Reach: 0.750"
• Thread Diameter: 14mm
• Seat: Gasket
• Tip/Gap: Fully CNC machined shell with modified surface gap

• Application: 602 and 604 Crate
• Resistor: Resistor
• Hex Size: 5/8"
• Thread Reach: 0.708"
• Thread Diameter: 14mm
• Seat: Taper
• Tip/Gap: DiamondFIRE Fixed Gap Cannot Be Adjusted

• Application: SBC/Ford Aluminum Heads
• Heat Range: Cold
• Resistor: Non-Resistor
• Hex Size: 5/8"
• Thread Reach: 0.750"
• Thread Diameter: 14mm
• Seat: Gasket
• Tip/Gap: DiamondFIRE Fixed Gap Cannot Be Adjusted