With true DLC coating/Without 24pcs a box

Seat Pressure: 55 @ 39 / 78 @ 38.5 / 77 @ 39 / 88 @ 38.5/102 @ 39 Open Pressure: 121 @ 10 / 180 @ 10 / 167 @ 10 / 192 @ 10/221 @ 10 Max Lift: 14.5/15.0mm / 16.0mm/17.0mm Coil Bind: 22.0mm /22.7/ 23.5mm / 24.0mm Packing:24pcs a box

Material: Silicon Manganese Copper alloy. Packing:24 pcs a box

Intake Valve Head diameter: 40.00MMG+1.5 Material: Stainless Steel 21-4N/23-8N/Titanium Length:100.10MM Exhaust Valve Head diameter: 34.80MM(+1.5) Material: Stainless Steel 21-4N/23-8N/Titanium Length:98.30MM Packing:24pcs a box

99.5/99.75/100/100.5/101/101.25/102mm

Compression Ratio:** Bore Size:74.5mm Compression Height:30.9mm Pin Size:19mm Stroke:**

Compression Ratio: 9.5 Bore Size: 94.5mm Compression Height:33.8mm Pin Size:22mm Stroke:82.5mm

Compression Ratio: 10.1 Bore Size: 94.5mm Compression Height:34.5mm Pin Size:22mm Stroke: **mm

Center Length:125.3mm  Big End Bore: 55mm   Big End Width:25.9mm Small End Bore: 22mm Small End Width: 25.9mm

Center Length:142mm  Big End Bore: 55mm   Big End Width:25.9mm Small End Bore: 22mm Small End Width: 25.9mm

Center Length:130.48mm  Big End Bore: 55mm   Big End Width:21.39mm Small End Bore: 23mm Small End Width: 21.39mm

Center Length:130.48mm  Big End Bore: 55mm   Big End Width:21.39mm Small End Bore: 23mm Small End Width: 21.39mm