Page 42 of Lunati Pistons by Holley Performance Products, Inc.

cams custom piston recommendation form all custom piston sets are designed and manufactured per specific engine specifications and must be accompanied by a signed order sheet and a fifty percent down payment under no circumstances are custom pistons returnable for credit exchange or refund unless the piston fails to meet the custom order specifications examine our list of stocked pistons before deciding to order custom sets we are constantly expanding our product line and may have the products that you need in stock valve train 11126 willow ridge drive olive branch ms 38654 phone 662-892-1500 fax 662-890-6309 name date shipping address city state zip daytime phone night phone fax special shipping instructions custom piston specifications bore size compression height boss width brand of pins pin diameter pin lock type pin offset piston weight needed pin length brand of rings top ring thickness radial depth 2nd ring thickness radial depth oil ring thickness radial depth dome rise exhaust pocket diameter exhaust pocket depth valve diameter intake pocket diameter intake pocket depth valve diameter valve angle intake exhaust piston quantity v-motor left right piston quantity inline motor cylinder number racing type fuel type nitrous forced induction crankshaft stroke type of rods rod length engine piston material type 2618 4032 pistons rods cranks information the left cylinders are numbered 1,4,5,8 with the exhaust valve pockets on the left side the right cylinders are numbered 2,3,6,7 with the valve pockets on the right side chevrolet six cylinder 90 degree motors demand 4 left and 2 right pistons small block ford requires all left side pockets engine kits valve pockets valve pockets will be custom machined to work with your camshaft and valves to insure that your valve pocket depth will be proper we must know how much lift at the valve your camshaft will give at nine degrees before and after top dead center when it is installed at the centerline in which it will be run the gross lift of the camshaft has very little to do with the valve pocket depth to ensure that the valve pocket depth will be correct we must have the above information and the amount that the intake and exhaust valve is recessed or protrudes above in relation to the surface of the head plus the head gasket thickness and the amount of deck clearance that you have in the event that you can not supply this data we will make every attempt to cut the pockets correctly based on our past experience however we will in no way be responsible should your valve to piston clearance be incorrect apparel tech line 662-892-1500 263

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