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Diamond Racing Forged Pistons Set Mitsubishi Evo 4 5 6 7 8 9 4G63T 86mm +1.0mm -1.0cc 10.9:1
Diamond Racing Forged Pistons Set Mitsubishi Evo 4 5 6 7 8 9 4G63T 86mm +1.0mm -1.0cc 10.9:1
Regular price
£670.02
Regular price
£744.47
Sale price
£670.02
Unit price
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per
Quick Info
SKU: 82008-4
Category: 4G63
Tags:
4G63
ENGINE BLOCK INTERNALS
EVOLUTION 4 5 6
EVOLUTION 7 8 9
Specs
Bore Diameter 86mm (+0.040in Over)
Compression Ratio 10.9:1
Rod Length 5.900in / 150mm
Stroke 88mm Standard
Pin .866in x 2.250in x .180in
Piston Features:
3D milling on piston crowns for ready to install finish
Offset pins for quiet operation
Side gas ports for better ring seal
Moly skirt coating for friction loss and skirt wear protection
Ratios figured for 87mm x .040 head gasket
Top ring down dimension: .325"-.300" 1.020cd
Premium 8620 .180W wrist pins chamfered for roundwire locks included
Premium 1.0mm x 1.2mm x 2.8mm ring package included
Over-sized valve pockets - for larger than stock valve sizes
Valve pocket depth: 0.200" intake and .190" exhaust
2618 material for High HP/Boost applications