PROFESSIONAL DRAG RACING
Erson Cams FSP valve springs are designed for the professional and sportsman racer - motorcycle, oval track,endurance and drag racing. Specially formed structural process provides the highest levels of performance and durability to date by any steel spring. FSP Springs use super-clean, ultra-strong, specially blended steel alloy of the highest quality to provide longer life for maximum value.
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Erson E915049 FSP Professional Drag Racing Valve Springs, 1.677" Dia., 350#@ 2.200, 1073#@ 1.200, Max Lift 1.005, Set of 16
Erson Cams
$650.00Primarily For Supercharged Alcohol Combinations, These Springs Deliver The Open Pressures Required To Maintain Valve Train Stability, RPM And Long Spring Life. These Springs Are Also An Excellent Choice For Pro Stock Truck, Competition Eliminator And Pro...$650.00 -
Erson E915048 FSP Professional Drag Racing Valve Springs, 1.677" Dia., 346#@ 2.100, 1014#@ 1.200, Max Lift .900, Set of 16
Erson Cams
$545.00Primarily For Supercharged Alcohol Combinations, These Springs Deliver The Open Pressures Required To Maintain Valve Train Stability, RPM And Long Spring Life. These Springs Are Also An Excellent Choice For Pro Stock Truck, Competition Eliminator And Pro...$545.00 -
Erson E915170 FSP Professional Drag Racing Valve Springs, 1.640" Dia., 280#@ 2.100, 794#@ 1.250, Max Lift .900, Set of 16
Erson Cams
$425.00Similar To The E915160, Except With A Slightly Taller Installed Height And Increased Seat Pressure, Yet Nearly Identical Open Pressure. Brand: Erson Cams Category: FSP Professional Coil Bind: 1.150 I.D. Inner: 0.860" I.D...$425.00 -
Erson E915160 FSP Professional Drag Racing Valve Springs, 1.640" Dia., 240#@ 2.000, 825#@ 1.150, Max Lift .880, Set of 16
Erson Cams
$425.00Designed For Use In Serious Bracket Class Applications Using Normally Aspirated Engines, These Springs Will Allow The Racer To Have The Consistency Required To Win Round After Round. Brand: Erson Cams Category: FSP Professional Coil...$425.00 -
Erson E915041 FSP LS1 High-lift Hydraulic Roller Professional Racing Valve Springs, 1.274" Dia., 250#@ 1.800, 700#@ 1.050, Max Lift .750, Set of 16
Erson Cams
MSRP: $524.99$495.00LS1 High-lift Hydraulic Roller Valve Springs Brand: Erson Cams Category: FSP Professional Coil Bind: .985" I.D. Outer: 0.630" O.D. Outer: 1.274" Spring Rate: 600 Valve Spring: DUAL Max Lift: .750"MSRP: $524.99$495.00 -
Erson E915045 FSP LS1 High-lift Hydraulic Roller Professional Racing Valve Springs, 1.290" Dia., 150#@ 1.810, 400#@ 1.150, Max Lift .660, Set of 16
Erson Cams
$315.00LS1 High-lift Hydraulic Roller Valve Springs Brand: Erson Cams Category: FSP Professional Coil Bind: 1.100 I.D. Inner: 0.680" I.D. Outer: 0.945" O.D. Inner: 0.940" O.D. Outer: 1.290" Spring Rate: 378 Valve...$315.00 -
Erson E915042 FSP Professional Racing Roller Valve Springs, 1.580" Dia., 249#@ 2.050, 650#@ 1.270, Max Lift .800, Set of 16
Erson Cams
$455.00Ideal For Small Block Chevy High-lift, High RPM Oval Track / Drag Race Applications Brand: Erson Cams Category: FSP Professional Coil Bind: 1.200 I.D. Inner: 0.830" I.D. Outer: 1.150" Max Lift: 0.800 O.D...$455.00