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030 Recommended Ring Set (Check Proseal listing to determine oil ring tension): J10008-4155-5 Factory GM heads are used to define standard valve spacing and angle (thus 23°) for many small block Chevy Additionally most 23° aftermarket cylinder heads incorporate what is commonly known as "60/40 Shift" in order to allow for larger valves
All valve covers are sold in pairs
smooth idle and increased performance
With the success of our electric cutout we took it to the next level
95lb seat pressure at 34
AutoMeter Phantom II Analog Gauges 7503-M2 Fuel System / Mechanical Injection / High Speed Accessories 030 Recommended Ring Set (CheckBrand: AutoMeter Manufacturer's Part Number: 7503 M2 Part Type: Gauges Product Line: AutoMeter Phantom II Analog Gauges Automotive Fittings Part Number: ATM 7503 M2 UPC: 046074163258 Gauge Type: Boost pressure OEM Replacement: No Gauge Style: Analog Sending Unit: Mechanical Gauge Diameter (in.): 2 1 16 in. Gauge Diameter (mm): 52mm Gauge Range: 1. 0 2. 0 bar Gauge Shape: Round Sweep: Full sweep Gauge Face Color: White Gauge Number Color: Silver
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