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VALVE LIFT
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DURATION
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DURATION @ 0.050"
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GRIND NUMBER
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REGRIND
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HARD WELD
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NEW BILLET
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167
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Good all around profile for stock engines. Increases power throughout RPM range. Requires Hardwelded Rockers. Price Per Set (2).
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223
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Bolt in profile for GS 1150 engines. Increases performance throughout the RPM range. Must remove oil bump from rocker. Requires Hardwelded Rockers. Price Per Set (2).
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168
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Strong mid and upper end performance for mild track / strip. Must remove oil bump from rocker. Requires Exhaust System, Hardwelded Rockers, High Compression Piston, and Performance Valve Spring Kit. Price Per Set (2).
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212
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Strong mid and upper end performance for large displacement pro mild track / strip engines. Must remove oil bump from rocker. Requires Exhaust System, Hardwelded Rockers, High Compression Piston / Big Bore, Shortened Valve Guides, and Performance Valve Spring Kit. Price Per Set (2).
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190
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Designed for small displacement engines. Must remove oil bump from rocker. Requires Exhaust System, Hardwelded Rockers, High Compression Piston, Shortened Valve Guides, and Performance Valve Spring Kit. Price Per Set (2).
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202
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Strong mid and upper end performance for large displacement mild track / strip engines. Must remove oil bump from rocker. Requires Exhaust System, Extended Rockers, High Compression Piston / Big Bore, Shortened Valve Guides, and Performance Valve Spring Kit. Price Per Set (2).
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263
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Designed for Pro-Stock type engines. Must remove oil bump from rocker. Requires Exhaust System, Extended Rockers, High Compression Piston / Big Bore, Shortened Valve Guides, and Performance Valve Spring Kit. Price Per Set (2).
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255/254
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Designed for large displacement engines. Less aggressive than pro stock profiles for increased cam and rocker life. Must remove oil bump from rocker. Requires Exhaust System, Extended Rockers, High Compression Piston / Big Bore, Shortened Valve Guides, and Performance Valve Spring Kit. Price Per Set (2).
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213/202
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Designed for Pro-Stock type engines. Must remove oil bump from rocker. Requires Exhaust System, Extended Rockers, High Compression Piston / Big Bore, Shortened Valve Guides, and Performance Valve Spring Kit. Price Per Set (2).
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283
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Designed for Pro-Stock type engines. Must remove oil bump from rocker. Requires Exhaust System, Extended Rockers, High Compression Piston / Big Bore, Shortened Valve Guides, and Performance Valve Spring Kit. Price Per Set (2).
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267
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Designed for Pro-Stock type engines. Must remove oil bump from rocker. Requires Exhaust System, Extended Rockers, High Compression Piston / Big Bore, Shortened Valve Guides, and Performance Valve Spring Kit. Price Per Set (2).
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240/202
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Designed for large displacement (1500cc) pro mild track / strip engines. Must remove oil bump from rocker. Requires Exhaust System, Extended Rockers, High Compression Piston / Big Bore, Shortened Valve Guides, and Performance Valve Spring Kit. Price Per Set (2).
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240/213
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Designed for Pro-Stock type engines. Must remove oil bump from rocker. Requires Exhaust System, Extended Rockers, High Compression Piston / Big Bore, Shortened Valve Guides, and Performance Valve Spring Kit. Price Per Set (2).
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240
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Top fuel profile. Must remove oil bump from rocker. Requires Exhaust System, Extended Rockers, High Compression Piston / Big Bore, Shortened Valve Guides, and Performance Valve Spring Kit. Price Per Set (2).
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257/213
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Designed for Pro-Stock type engines. Must remove oil bump from rocker. Requires Exhaust System, Extended Rockers, High Compression Piston / Big Bore, Shortened Valve Guides, and Performance Valve Spring Kit. Price Per Set (2).
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282
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Designed for Pro-Stock type engines. Must remove oil bump from rocker. Requires Exhaust System, Extended Rockers, High Compression Piston / Big Bore, Shortened Valve Guides, and Performance Valve Spring Kit. Price Per Set (2).
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492
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Designed for Pro-Stock type engines. Must remove oil bump from rocker. Requires Exhaust System, Extended Rockers, High Compression Piston / Big Bore, Shortened Valve Guides, and Performance Valve Spring Kit. Price Per Set (2).
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