Pac Valve Springs X Dual Drag Racing Spring PR-1355-16P OD: 1.500” 420 lbs @ 2.175” 1200 lbs @ 1.175” Lift: 1.000” Frequency: 30,568 CPM $609.00 / Set of 16 X Dual Drag Racing Spring PR-1356-16P OD: 1.500” 300 lbs @ 2.100” 1002 lbs @ 1.200” Lift: 0.900” Frequency: 30,568 CPM $476.00 / Set of 16 X Dual Drag Racing Spring PR-1357-16P OD: 1.500” 375 lbs @ 2.150” 1116 lbs @ 1.200” Lift: 0.950” Frequency: 30,568 CPM $510.00 / Set of 16 X Dual Drag Racing Spring PR-1360-16P OD: 1.522” 400 lbs @ 2.250” 1252 lbs @ 1.300” Lift: 0.950” Frequency: 35,502 CPM $609.00 / Set of 16 Pac Valve Springs Patterson Racing currently uses PAC Valve Springs in all of our record setting engines. PAC’s cutting edge technology in material advancements and processing advancements that have allowed our valve springs to excel in all forms of racing. From PAC proprietary alloy PACALLOY, to PAC-enhanced processing to our continued development of further materials and processing, PAC racing springs will give you the competitive edge you need in the demanding stresses of racing.   Check Out CompCams Intake Viton Seals PR-507-8 5/16"x.446" Viton Seal Set   Check Out Comp Cams Exhaust Viton Seals PR-508-8 5/16"x .446" Viton Seal Set   Check Out Available sizes: PR-99824-16 5/16" x .531 PR-99826-16 11/32" x .500 PR-99820-16 11/32" x .531 PR-99828-16 3/8" x .500 Crane Cams Valve Stem Seals Crane Teflon stem seals provide maximum valve stem oil control. These seals wipe excess oil from the valve stems by means of a unique spring loaded wiper assembly thus preventing unwanted oil from reaching and contaminating the cylinder.   Check Out Valve Cover Gasket PR-1682 18/15 deg. silicone molded rubber w/steel construction and steel compression limiters. Great for engines with high crankcase vacuum.   Check Out Available sizes: PR-LFT-53400 .150 Offset Cup PR-LFT-53401 Centered Cup Jesel Key-Way Style Roller Lifters Considered the "ultimate" roller lifter by top engine builders due to its lightweight design, low friction and proven durability. A slotted bronze bushing is installed in the block and a key on the side of the lifter body aligns the roller with the cam. .937 dia/.785 wheel. Per set.   Check Out Available sizes: PR-PLF-48401 SBC .842 Tie Bar Lifter Set $ 2,440 PR-PLF-48430 BBC .842 Tie Bar Lifter Set $ 2,500 Jesel Tie-Bar Lifters Jesel's Tiebar Style roller lifters may "look" like those available from several other sources, however, they are packed with Jesel's important standard features such as pressurized roller oil circuits, precise tolerance held to .0002 inches, and the best heat-treated metal allows and surface coatings available.   Check Out Manley Push Rods Meticulously formed ends with exact radii. Excellent concentricity, closely controlled length with heat treated and black oxide finish. Push Rods come in varied sizes in 50 thousandths increments. Call for details! 316-775-7771 Priced per set.   Check Out Part # Discription PR-23655 .100 1.625 Titanium PR-23553 .100 1.600 Titanium PR-23653 .100 1.660 Titanium Manley Retainers   Check Out Part # Lift / O.D. / I.D. Price X PR-221447-16P .800 / 1.677 / .635 $650.00 PR-221448-16P .900 / 1.677 / .635 $650.00 PR-221449-16P 1.000 / 1.677 / .632 $800.00 PR-221450-16P .1.000 / 1.677 / .632 $894.00 PR-221451P-16 $992.00 Manley Valve Springs Super Stock, Comp Elim. Nextek.   Check Out