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350 STANDARD & GP 23º INV. DOME

Specifically designed for circle track and road racing applications, where the rules call for a 9.5:1 piston. GP Series accepts .043, .043, 3mm backcut rings and includes lateral gas ports for optimum ring seal. Standard 350 Series accepts 1/16, 1/16, 3/16 rings.

Includes:
Pin #927-2750-15-51S (130g)
Double Spiro Locks # 927-042-CS
Lateral Gas Ports on GP Series
350 SERIES GP
Std Bore: 4.000
Ring package designed for: .043, .043, 3MM Rings

Click here to see matching JE Pro Seal Head Gaskets!

Tech and Installation Tips
Valve Relief Diagram
Part # CID Bore Stroke Rod
Lgth.
Block
Ht.
Comp.
Ht.
Head Cubic Centimeters
58cc 64cc 76cc
Compression Ratio
Dome
Vol.
Gram
Wt.
Footnote Oversize Recom.
Ring Set
173581 357 4.030 3.500 6.125 9.000 1.125 10.1 9.5 8.4 -13.0 409 A,M 0.030 J71408-4030-5
173582 357 4.030 3.500 6.000 9.000 1.250 10.1 9.5 8.4 -13.0 429 A,M 0.030 J71408-4030-5


350 SERIES STANDARD
Std Bore: 4.000
Ring package designed for: 1/16, 1/16, 3/16 Rings

Click here to see matching JE Pro Seal Head Gaskets!
Part # CID Bore Stroke Rod
Lgth.
Block
Ht.
Comp.
Ht.
Head Cubic Centimeters
58cc 64cc 76cc
Compression Ratio
Dome
Vol.
Gram
Wt.
Footnote Oversize Recom.
Ring Set
130968 355 4.020 3.500 5.700 9.000 1.550 10.0 9.3 8.3 -14.5 465 A,M 0.020 J10008-4020-5
130969 357 4.030 3.500 5.700 9.000 1.550 10.0 9.3 8.3 -14.5 472 A,M 0.030 J10008-4030-5
130974 357 4.030 3.500 6.000 9.000 1.250 10.0 9.3 8.3 -14.5 427 A,M 0.030 J10008-4030-5

- Denotes part # has been issued a new part #. A list referencing old part #s to their new counterparts will be available shortly.


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