- Ideal For Street Or Highly Stressed Applications
- Specially Heat Treated
- Black Oxide Finished
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Product Features:
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- SP Series High Endurance Dual Valve Spring
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Classic MiniSprite & MG MidgetMorris Minor
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- Light Weight Steel Retainer
- All Valve Stem Sizes
- Gram W 23.7
- Step Dia. Inner 0.745/Outer 1.140
- Super 7 Deg. V. Lock No. VL600 (5/16)/VL700 (11/32)/VL800 (3/8)
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Product Features:
- 20-40 Percent Stronger Than Other Retainers
- Heat Treated 100 Percent Aircraft Quality Bar Stock Material
- All Valve Stem Sizes
- Step Dia. Inner 0.740/Outer 1.140
- Super 7 Deg. V. Lock No. VL600 (5/16)/VL700 (11/32)/VL800 (3/8)
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- Dual Valve Spring Set
- w/Damper
- OD 1.000/1.430 in.
- ID 0.730/1.070 in.
- Seat Pres. 135lbs at 1.812in.
- Open Pres. 315lbs at 1.260in.
- Rate Per Inch 330
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- Street/Oval/Drag Dual Valve Spring Set
- w/Damper
- 1.530 in. OD Installed Height At 1.875 in.
- Hydraulic And Solid Lifter Camshafts Only
- OD 1.005/1.530 in.
- ID 0.730/1.110 in.
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- SP Series High Endurance Dual Valve Spring
- w/Damper
- Outer OD/ID 1.530/1.110in.
- Inner OD/ID 1.005/0.730in.
- Seat Pres. 150 lbs. at 1.875in.
- Open Pres. 435 lbs. at 1.225in.
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- MAX-LIFE Super Endurance Roller Valve Spring
- Dual w/Damper
- Outer OD/ID 1.600 /1.150 in.
- Inner OD/ID 1.040/0.745 in.
- SeatPres. 275lbs. At 2.050in.
- OpenPres.810lbs. At 1.200in.