Pontiac 468, V-8

468

Part
Number
IC938
Compression Ratios

72-11.4
87-9.9

Quick Reference CR

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This ratio is calculated using a .030 oversize only.



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Dish
Effective Head Volume: 10.6cc
Ring Packs

2-1/16
1-3/16

Pin Number

990x300K


Lock Ring

PRG110-3



SPECIFICATIONS
Bore:4.125 Rod Length:6.8 Pin Diameter:0.9898
Stroke:4.250 Comp. Ht:1.3 Sizes:.030
.040
.060
.065
.070
.075
.085
Minimum Clearance: Click Here To View
SPECIAL CLEARANCE REQUIREMENTS 		 Crank-to-Deck Clearance:10.25 Weight
Piston / Pin:		496 / 163
NOTES
Centered pin. Includes spacer ring. use with aftermarket rods with .990 pin bores. Pistons major axis is based on 4.125 bore. Ring set pt. no. 4125BD8. made with Pontiac 400 block. Kit no. IC938KTD.
.065 ring will be 4151BD8.045 .070 ring will be 4165BD8.035 .075 ring will be 4165BD8.035 .085 ring will be 4165BD8.045 All are file to fit.


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