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PEAK DIESEL PERFORMANCE

Peak Diesel Performance has deep roots in the diesel performance industry. They have a small product line but pride themselves in making a quality product. Rest assured that their 12 Valve and 24 Valv ... read more

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Peak Diesel 4K Governor Spring kit with 12 HD Valve Springs 94-98 Dodge 5.9L Cummins PDP-GSK4000HDVS 4.00 Peak Diesel 4K Governor Spring kit with 12 HD Valve Springs 94-98 Dodge 5.9L Cummins Peak Diesel Performance GSK4000HDVS The factory exhaust valve springs on 12 Valve Cummins are sufficient for a stock engine, but when installing ANY type of exhaust brake, they simply will not hold the back pressure. Peak Diesel offers this heavy duty spring kit that will hold pressure with any exhaust brake. Kit includes 12 exhaust valve springs and installation instructions.

Peak Diesel Performance has deep roots in the diesel performance industry. They have a small product line but pride themselves in making a quality product. Rest assured that their 12 Valve and 24 Valve Cummins performance products are the best in the business.

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