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- Precision fit and heat-treated
- Prevent valve groove wear and failure
- Compatible with stock and stainless valves, as well as all stock and EMPI retainers
- Sold individually
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- Fits 1200-1600cc
- Sold individually
- Alt P/N: 113-109-641B
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- ≈140lbs @ seat pressure
- Free length: 2.025"
- Fits 1200-1600cc
- Alt P/N: 113-109-623C
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- Precision fit and heat-treated
- Prevent valve groove wear and failure
- Compatible with stock and stainless valves, as well as all stock and EMPI retainers
- 8 Pairs
- Alt P/N: 113-109-651A
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- Silicon Bronze
- Reduce friction, improve lubrication, offer extended reliability
- Shouldered design
- Sold individually
- Alt P/N: 113-101-401BR
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- Provides excellent seat surface for high pressure springs by preventing cutting into the heads
- Set of 8
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- Provides excellent seat surface for high pressure springs by preventing cutting into the heads
- Set of 8
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- Provides excellent seat surface for high pressure springs by preventing cutting into the heads
- Set of 8
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- Provides excellent seat surface for high pressure springs by preventing cutting into the heads
- Set of 8
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- Provides excellent seat surface for high pressure springs by preventing cutting into the heads
- Set of 8
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- Provides excellent seat surface for high pressure springs by preventing cutting into the heads
- Set of 8
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- Prevent valve stem tip from mushrooming under heavy valve spring pressure
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- High-quality one-piece forged stainless steel
- Hardened stem to prevent mushrooming
- 8mm stem diameter
- For intake and exhaust
- Alt P/N: 113-109-612A
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- High-quality one-piece forged stainless steel
- Hardened stem to prevent mushrooming
- 8mm stem diameter
- For intake and exhaust
- Alt P/N: 311-109-601
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- High-quality one-piece forged stainless steel
- Hardened stem to prevent mushrooming
- 8mm stem diameter
- For intake and exhaust
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- High-quality one-piece forged stainless steel
- Hardened stem to prevent mushrooming
- 8mm stem diameter
- For intake and exhaust
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- High-quality one-piece forged stainless steel
- Hardened stem to prevent mushrooming
- 8mm stem diameter
- For intake and exhaust
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- High-quality one-piece forged stainless steel
- Hardened stem to prevent mushrooming
- 8mm stem diameter
- For intake and exhaust
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- High-quality one-piece forged stainless steel
- Hardened stem to prevent mushrooming
- 8mm stem diameter
- For intake and exhaust
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- Precision machined aluminum
- Set of 8
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- Manufactured from super strong lightweight Chromoly
- Use with single or dual spring setups
- Set of 8
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- Made from silicon spring steel
- Outer: ≈156 lbs/inch w/ free length of 2.40-2.510" w/ load of 150lbs @ 1.500"
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- These seats are deisned to provide maximum resistance to hi-impact and extreme head temperatures
- Set of 4
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- These seats are deisned to provide maximum resistance to hi-impact and extreme head temperatures
- Set of 4
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- These seats are deisned to provide maximum resistance to hi-impact and extreme head temperatures
- Set of 4
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- These seats are deisned to provide maximum resistance to hi-impact and extreme head temperatures
- Set of 4
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- These seats are deisned to provide maximum resistance to hi-impact and extreme head temperatures
- Set of 4
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- These seats are deisned to provide maximum resistance to hi-impact and extreme head temperatures
- Set of 4
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- Strong and durable silicon-bronze intake valve guides
- Set of 4
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- Strong and durable silicon-bronze intake valve guides
- Set of 4
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