www.zodiac.nl 07-095 Piston dome specification All valve pocket specification are measured from deck height Dome Volume Intake Pocket Exhaust Pocket Depth Diameter Depth Diameter -2 CC -.189" 2.000" -.189" 2.000" Replacement piston ring set (for one piston) 238813 3.740" Std. size Top end gasket kits 700030 Fits 3.740" Big Bore 1992 thru 1999 Evolution Big Twin Piston kits 238805 3.740" Big Bore piston kit for stock stroke These piston kits will convert your 1340 Evolution Big Twin motor to a 93.4 cubic inches (1530 CC) Big Bore with stock stroke. Must be used in combination with a set of 3.740" bore cylinders. No cylinder head modification or re-balancing of the crankshaft required, just have your crankcase bored to the spigot size of these big bore cylinders. Compression ratio is 9.5 to 1 when using the stock Harley cylinder heads. Kit includes a pair of Wiseco forged pistons, Hastings piston rings, wrist pins and piston pin clips. Top end gasket kit for your year motorcycle must be ordered separately. Note: These kits are designed for use with 1984 thru 1989 and 1996 thru 1999 stock crankcases or any S&S, Delkron or S.T.D. crankcase. Due to a weaker construction of the stock 1990 thru 1995 crankcases the use of these is not recommended they should be replaced with S&S, Delkron or S.T.D. crankcases. 2192 WISECO 33/4" BIG BORE PISTON KITS FOR EVOLUTION BIG TWIN Piston dome specifications All valve pocket specifications are measured from deck height Dome Style Dome Volume Intake Pocket Exhaust Pocket Depth Diameter Depth Diameter 1 -2.8 cc -.214" 2.100" -.214" 2.100" 2 +6.0 cc -.225" 2.100" -.225" 2.100" 3 -1.5 cc -.178" 2.000" -.178" 2.000" 4 +12.9 cc -.143" 2.080" -.138" 1.740" 5 +19.0 cc -.165" 2.080" -.165" 2.080" Sportster thru 2003 Evolution Big Twin Dome 1 2 3 4 XL1200 XL1200 1340 1340 9: 1 10.5: 1 8.5: 1 10: 1 Size Compr. Compr. Compr. Compr. Std. 730049 238789 235285 730054 +.005" - 238792 - 730055 +.010" 730050 238790 235286 730056 +.020" 730051 238791 235287 730057 +.030" - - 235288 730058 +.040" - 238793 235289 730059 Newly designed high-compression piston kits for Evolution engines. Wiseco forged pistons are well-known for their superior strength over stock cast pistons and can be set-up at .0025" to .0035" clearance for quieter operation. Compression ratio listed is with stock stroke. Each kit includes 2 pistons with rings, pins and clips. 2191 WISECO HIGHCOMPRESSION PISTON KITS FOR EVOLUTION SPORTSTERS AND BIG TWINS PISTONS & PISTON RINGS (Ȧ*ȡ1ȝ (Site 505)
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