Overview Reviews Product Description MKL 4.0/35-W 4.0GPM 3500PSI 3400 RPM 1" HOLLOW SHAFT GAS FLANGE SUPER DUTY M-SERIES Oversized bronze connecting rod assemblies (1 lb. each) Heavy duty reinforced heads with external and internal bracing Large diameter niploy plated valve caps with increased thread depth Reinforcing ring on inlet and discharge ports Extra heavy duty taper roller bearings Deeper back covers for increased oil capacity (24oz. capacity) SPECIFICATIONS: Direct drive, gas engine flange 1" hollow shaft with mounting flange and set screw GPM: 3.5 maximum PSI: 4000 maximum RPM: 3400 maximum HP: 14.5 gas Seal kit: UD-7 Valve kit: UD-30 Weight: 28 lbs Product Videos Custom Field Product Reviews Write a Review Write a Review × UDOR MKL 4.0/35-W 4.0GPM 3500PSI 3400 RPM 1" HOLLOW SHAFT GAS FLANGE Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *