DescriptionFull recirculating BOV. The Plumb Back system recirculates all excess pressure back into the intake system. Great for enthusiasts not wanting to be noticed but wanting the performance and reliability benefits of a quality BOV.Please note; that for twin-turbo applications, such as the Audi S4 2.7L (B5) 97-01, this will require two valves.Important legal notice (US) WARNING – Proposition 65 Compliance Statement:It is the responsibility of Turbosmart to warn its customers and employees that some products sold on this website contain chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. Important Emissions Note:This product does not have a CARB EO #; it is not legal for sale or use in CA on pollution controlled motor vehicles. This is intended as a “Race Only” product to be used solely for competition. It’s use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization; any other use including recreational off-road use, may be a violation of local, state and federal laws. It is the buyer’s responsibility to verify legal use of this product for the intended application and use.
Planting & Care
At a Glance â 3-in-1 Combination Peach Tree
- Sun: 1/2 day to full day of sun
- Soil: Well-drained, moderately fertile soil
- Water: Keep evenly moist during establishment
- Rootstock: Semi-dwarf (Lovell)
- Size: 12â15 ft at maturity
- Pollination: Self-fertile
- Harvest: JulyâSeptember
- Hardiness: USDA Zone 5â9
Planting & Care â 3-in-1 Combination Peach Tree
Site Selection
- Choose a location with excellent sunlight to ensure full sweetness and color.
- Good airflow reduces fungal pressure, especially in humid or coastal climates.
Soil Preparation
- Prefers well-drained loam or sandy loam; avoid clay-heavy or waterlogged soil.
- Add compost to improve drainage and fertility.
- Ideal soil pH: 6.0â7.0.
Planting Instructions
- Plant at the same depth as in the nursery pot.
- Water deeply and mulch with 2â3 inches of organic matter.
- Keep mulch a few inches away from the trunk.
Watering & Fertilizing
- Maintain consistent moisture during the first 1â2 years.
- Deep water 1â2 times per week in heat or drought.
- Peaches are medium feedersâuse a balanced organic fertilizer in early spring if growth appears weak.
- Avoid overfertilization, which reduces fruit quality and increases disease risk.
Pruning & Graft Management
- Prune more vigorously growing grafts to maintain balance across the tree.
- Encourage an open center to improve light penetration.
- Thin fruit clusters to improve size and prevent limb damage.
Harvest & Use
- Frost offers classic peach flavor with strong leaf curl resistance.
- Salish Summer (Q-1-8) produces juicy, richly flavored fruit well-suited to cooler climates.
- Indian Free provides brilliant red flesh and outstanding complexity.
- Muir delivers exceptionally sweet, aromatic fruit.
General Tips
- Combination peach trees thrive when graft vigor is balanced yearly through pruning.
- Renew mulch annually and water consistently for best fruit quality.
- Leaf curlâresistant varieties reduce the need for sprays in many climates.



