Bulkhead Connector

AN Bulkhead Connector, ideal for running fuel lines through metal sheeting or body

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AN Straight Bulkhead Fitting
Price range: $6.48 through $22.42 Select options This product has multiple variants. The options may be chosen on the product page
AN Bulkhead Adapter Nuts
Price range: $2.72 through $5.99 Select options This product has multiple variants. The options may be chosen on the product page

CPR Racing Injector Calculator

Estimate injector flow changes based on fuel pressure, convert between CC/min and lb/hr, and calculate injector size for horsepower goals.

Formula:

New Flow = Rated Flow × √(New Pressure ÷ Base Pressure)

Rated Flow: Base Pressure PSI: New Pressure PSI:

Formula: lb/hr = CC/min ÷ 10.5

CC/min:

Formula: CC/min = lb/hr × 10.5

lb/hr:

Formula: Injector Size = HP × BSFC ÷ Injectors ÷ Duty Cycle

Horsepower Goal: BSFC: Number of Injectors: Duty Cycle:

Typical BSFC: Naturally Aspirated 0.45–0.55 | Turbo/Supercharged 0.60–0.75 | Recommended max duty cycle: 80%.

CPR Racing — Total Fuel Systems
Injector Testing • Cleaning • Flow Matching • Full Motorsports Characterization

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