Isky Racing Cams

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The Precision 9900 Series "Gold Stripe" Tool Room Racing Value Springs by Isky. Theyre the worlds only endurance test-certified racing valve springs, guaranteed "One of the Thousand", alumni of the grueling 1,000 mile Spintron endurance test, where two complete tests are run with a zero failure tolerance. No breakage and no excessive load loss are permitted, because its pass or fail for Tool Room Springs. We test every batch of every part number we produce. We refer to them as The Worlds Finest Racing Valve Springs - because without a doubt whatsoever, they most certainly are!
- Tool Roomâ„¢ Racing Valve Spring
- Tool Roomâ„¢ Racing Valve Spring; Dual w/Damper; Outer OD/ID 1.625/1.175in.; Outer OD/ID 1.065/0.770in.; SeatPres. 250lbs at 2.020in.; OpenPres. 675lbs at 1.270 in.;
P311-2265D01 9945 Isky Racing Cams New
This product is not application specific
This is a general purpose item, or a universal product, or requires additional fitment checks for your vehicle, outside of year, make, and model.
- Tool Roomâ„¢ Racing Valve Spring
- Tool Roomâ„¢ Racing Valve Spring; Dual w/Damper; Outer OD/ID 1.560/1.145in.; Inner OD/ID 1.040/0.740in.; Seat Pres. 245lbs at 2.000 in.; Open Pres. 600lbs at 1.300in.;
P311-1BA1BF1 9985 Isky Racing Cams New
This product is not application specific
This is a general purpose item, or a universal product, or requires additional fitment checks for your vehicle, outside of year, make, and model.
- Dual Valve Spring Set
- Dual Valve Spring Set; w/Damper; OD 1.025/1.550 in.; ID 0.740/1.135 in.; Seat Pres. 215lbs at 1.950in.; Open Pres. 550lbs at 1.270in.; Rate Per Inch 460;
P311-58705F0 9365 Isky Racing Cams New
This product is not application specific
This is a general purpose item, or a universal product, or requires additional fitment checks for your vehicle, outside of year, make, and model.
- .842 in.; Centerline Push Rod Seat Location; Fits Standard and Raised Lifter Bosses
- Endurance Plus Roller Lifter; .842 in.; Centerline Push Rod Seat Location; Fits Standard and Raised Lifter Bosses;
P311-5B47F4C 366RHM Isky Racing Cams New
Vehicle | Block | Engine | CID | CC |
---|---|---|---|---|
1985 Chevrolet C30 | V | 8 Cyl 7.4L | 454 | - |
- Tool Roomâ„¢ Racing Valve Spring
- Tool Roomâ„¢ Racing Valve Spring; Dual w/Damper; Outer OD/ID 1.570/1.145in.; Inner OD/ID 1.035/0.740in.; Seat Pres. 250lbs at 2.030in.; Open Pres. 625lbs at 1.300 in.;
P311-0A18EB2 9995 Isky Racing Cams New
This product is not application specific
This is a general purpose item, or a universal product, or requires additional fitment checks for your vehicle, outside of year, make, and model.

- Keyed Style; For Use w/Keyway Roller Lifters; Bushing OD 1.062 in.; Bushing ID 0.936 in.; Overall L 1.990 in. For Use w/9376/937 Prefix Isky Keyway Roller Lifters
- Keyway Lifter Bushing; Keyed Style; For Use w/Keyway Roller Lifters; Bushing OD 1.062 in.; Bushing ID 0.936 in.; Overall L 1.990 in.;
P311-53CC18A KLB936 Isky Racing Cams New
Vehicle | Block | Engine | CID | CC |
---|---|---|---|---|
1986 GMC C2500 | V | 8 Cyl 7.4L | 454 | - |
- 5/16 in. Dia.; No Oil Hole; 8.703 in. L Int./Ext.; Non-Adj.; Solid Lifter; Cup and Ball; Stock Adj. Rocker; Stock Lifter
- Chrome Moly Tubular Push Rod; 5/16 in. Dia.; No Oil Hole; 8.703 in. L Int./Ext.; Non-Adj.; Solid Lifter; Cup and Ball; Stock Adj. Rocker; Stock Lifter;
P311-3468DCB MG003 Isky Racing Cams New
Vehicle |
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1972 MG MGB |
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Features:
- One Piece
- Manufactured From Seamless 0.095 in. Tubing
- Heat Treated
- Ends Are Precision Formed
- Diameter (in.): 5/16
- 5/16 in. Dia.; No Oil Hole; 10.656 in. L Int./Ext.; Non-Adj.; Solid Lifter; Cup and Ball; Stock Adj. Rocker; Spring Or Morris Minor Lifter
- Chrome Moly Tubular Push Rod; 5/16 in. Dia.; No Oil Hole; 10.656 in. L Int./Ext.; Non-Adj.; Solid Lifter; Cup and Ball; Stock Adj. Rocker; Spring Or Morris Minor Lifter;
P311-0992E7D MG013 Isky Racing Cams New
Vehicle |
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1957 MG MGA |
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Features:
- One Piece
- Manufactured From Seamless 0.095 in. Tubing
- Heat Treated
- Ends Are Precision Formed
- Diameter (in.): 5/16
- Outer; 1.560 in. Installed H; Seat Pres. 115 lbs.; MaxCoilBind H 1.060; SpringRate 320 lbs. PerInch; OuterSpring OD/ID 1.430/1.075; InnerSpring OD/ID 1.005/0.730 Set of 8; Silicon; Chrome
- Valve Spring Set; Outer; 1.560 in. Installed H; Seat Pres. 115 lbs.; MaxCoilBind H 1.060; SpringRate 320 lbs. PerInch; OuterSpring OD/ID 1.430/1.075; InnerSpring OD/ID 1.005/0.730;
P311-1FD3D35 MG05 Isky Racing Cams New
Vehicle | Block | Engine | CID | CC |
---|---|---|---|---|
1961 MG MGA | L | 4 Cyl 1.6L | 97 | - |
- Inner; 1.560 in. Installed H; Seat Pres. 115 lbs.; MaxCoilBind H 1.060; SpringRate 320 lbs. PerInch; OuterSpring OD/ID 1.430/1.075; InnerSpring OD/ID 1.005/0.730 Set of 8; Silicon; Chrome
- Valve Spring Set; Inner; 1.560 in. Installed H; Seat Pres. 115 lbs.; MaxCoilBind H 1.060; SpringRate 320 lbs. PerInch; OuterSpring OD/ID 1.430/1.075; InnerSpring OD/ID 1.005/0.730;
P311-16411C8 MG06 Isky Racing Cams New
Vehicle | Block | Engine | CID | CC |
---|---|---|---|---|
1979 MG MGB | L | 4 Cyl 1.8L | 110 | 1798 |