Check the listing for details. Melling M Select 10295 CHEVY LS LS1 LS2 LS3 High Pressure Performance Oil Pump. Condition: New. Listed at 149.00 USD. MELLING M - SELECT PERFORMANCE OIL PUMP Part # 10295Standard Volume / High Pressure Oil PumpFits Chevrolet GMC Cadillac Pontiac LS1 LS2 LS3 LS6 4.8 5.3 6.0 5.7 6.2 Liter Engines There Are MANY Choices For LS Oil Pumps IF The Compatibility Guide Does NOT Show Your Application - Please Message Us With Your Application Details And We Can Help You Find The Correct Pump ** FREE FED EX 2 DAY SHIPPING ** The cast aluminum housing is CNC machined and hard coat anodized. The cast iron cover is CNC machined and phosphate coated. The relief valve features a screw in valve plug with the optional stock pressure spring supplied. Uses stock bolt on screenMELLING 10295 Pumps Include a 10 PSI Higher Than Stock PRESSURE Relief Spring Installed PLUS A Blue Spring That Will LOWER That Pressure By 8-10 PoundsAs Well As A "COPO" Relief Spring that Will Give An Approximate increase Of 15 PSI Over the Installed Red Spring (25 PSI over the Blue spring )Also available in a kit with gaskets , balancer bolt and RTV , check our EBAY storeUse The Compatibility Guide To Verify Your ApplicationMessage Us With Any Fitment Questions Check our EBAY store for ALL of your LS and performance needs .