Page 21 of Lunati Pistons by Holley Performance Products, Inc.

pistons big block chevrolet cams chevy ls-1/ls-2/6.0 truck 4 stroker reverse dome turbo duty-with groove lock spacers features · as the leader in ls-1 forged piston production wiseco pulled out all the stops when designing this series it s designed to accommodate the reluctor ring on stroker cranks without having to notch the pin bosses offset pins like the factory and skirts specifically designed for street applications make these the best available they ve been tested successfully in highest horsepower applications · skirt design allows for .004 clearance w excellent wear properties · radiused valve pockets · anti detonation grooves with the added benefit of keeping the top ring groove free of carbon · pressure groove for enhanced ring seal · features chrome moly pins and spiralox pistons valve train kit part wisk396as wisk396a3 wisk397a100 wisk397a125 bore 4.000 4.030 4.100 4.125 comp stroke height 1.115 1.115 1.115 1.115 4.000 4.000 4.000 4.000 rod 6.098 6.125 6.098 6.125 0 deck std avg at deck ht wt 9.213 9.240 9.213 9.240 9.230 9.240 9.230 9.240 415 415 413 413 volume -32 -32 -32 -32 compression ratio at 62cc 65cc 67cc 68cc 9.0 9.0 9.3 9.3 8.8 8.8 9.1 9.1 8.7 8.7 8.9 8.9 8.6 8.6 8.8 8.8 pin part included std tension rings skirt 1/16.1/16,3/16 type wiw100f8-4000-5 wiw100f8-4030-5 wiw100f8-4100-5 wiw100f8-4125-5 slipper slipper slipper slipper wiss-643.927x2.250 wiss-643.927x2.250 wiss-643.927x2.250 wiss-643.927x2.250 rods cranks chevy 454/502 max dome-closed/open/edelbrockŪgm semi open/dartŪ pro 1 features · these pistons are designed for closed chamber and semi open chamber usage 2618 alloy is used in both series of parts · the k226 series is designed with a special skirt shape to be the ultimate 502 marine replacement · radiused valve pockets · anti detonation grooves with the added benefit of keeping the top ring groove free of carbon · pressure groove for enhanced ring seal · features chrome moly pins and spiralox engine kits kit part wisk117a3 bore 4.280 4.310 comp stroke height 1.645 1.645 1.645 1.645 4.000 4.000 4.000 4.000 4.000 4.000 4.000 4.000 rod 6.135 6.535 6.135 6.535 6.135 6.535 6.135 6.535 0 deck std avg at deck ht wt 9.780 10.180 9.780 10.180 9.780 10.180 9.780 10.180 9.800 10.200 9.800 10.200 9.800 10.200 9.800 10.200 749 749 749 749 749 749 715 715 volume compression ratio at 107cc 114cc 119cc 123cc pin part included wiss-460.990x2.930 wiss-460.990x2.930 wiss-460.990x2.930 wiss-460.990x2.930 wiss-460.990x2.930 wiss-460.990x2.930 wiss-460.990x2.930 wiss-460.990x2.930 std tension rings skirt 1/16.1/16,3/16 type wiw100f8-4280-5 wiw100f8-4280-5 wiw100f8-4310-5 wiw100f8-4310-5 wiw100f8-4350-5 wiw100f8-4350-5 wiw100h8-4560-5 wiw100h8-4560-5 slipper slipper slipper slipper slipper slipper full round full round apparel wisk117a6 wisk117a100 4.350 wisk226a3 4.500 36.0 hollow 36.0 hollow 36.0 hollow 36.0 hollow 36.0 hollow 36.0 hollow 3.8 hollow 3.8 hollow 12.6 12.6 12.6 12.6 12.6 12.6 10.0 10.0 11.6 11.6 11.6 11.6 11.6 11.6 9.5 9.5 11.0 11.0 11.0 11.0 11.0 11.0 9.2 9.2 10.6 10.6 10.6 10.6 10.6 10.6 9.0 9.0 242 www.lunaticamshafts.com

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