Line Bore Kits

Line bore kits are available for engines that have been tunnel bored, such as blue printed motors, damaged blocks or reworked engines.
Line bore kits are available in +0.005" and +0.010".
When ordering line bore kits mark order with LB5 or LB10 after the part number.

Buick

JP 5612 LB Evenfire V6 181-196-231-252
JP 5984 LB Oddfire 198-215-225-231 Turbo V6
JP 5984 LB V8 215-300-340-350 B, H, J, X
 

Chevrolet

JP 5610 LB 409 V8
JP 5615T LB Gen III LS1 Double Row Chain
JP 5618T LB Gen III LS1 Single Row Chain
JP 5621T LB Big Block LS6 Double Row Chain
JP 5622T LB Gen III LS2 Single Row Chain
JP 5623T LB Gen III LS2 Double Row Chain
JP 5981 LB Small Block 283-400 V8 (reverse oiler)
JP 5981T LB Small Block 283-400 V8
JP 5991 LB Big Block 396-454 V8 (reverse oiler)
JP 5991T LB Big Block 396-454 V8
 

Chrysler

JP 5606T LB Big Block 383-440 (three bolt) V8
JP 5613 LB 225 Slant Six (reverse oiler)
JP 5983 LB Hemi 215-265 Yhree Bolt inline six (reverse oiler)
JP 5985 LB Small Block 273-392 V8
JP 5989 LB Big Block 383-440 (single bolt) V8 (reverse oiler)
JP 5992 LB Hemi 215-265 Single Bolt inline six (reverse oiler)
 

Ford

JP 5600 LB DA-DF, EA-EF, NA-NF, EFI Inline Six
JP 5605 LB Windsor 302-351 EFI, roller cam V8 (reverse oiler)
JP 5608 LB 200 Canadian Block Inline Six
JP 5611 LB FE 352-428 V8 (reverse oiler)
JP 5978 LB Cleveland 302-351 V8
JP 5980 LB 250 3.3-4.1 EFI Inline Six
JP 5982 LB Windsor 302-351 V8
JP 5990 LB Big Block 429-460 V8 (reverse oiler)
 

Holden

JP 5601 LB VN V6 Single Row
JP 5602 LB VN V6(High Performance Only)
JP 5603 LB VP-VR Single Row (To VIN # VH1426330) V6
JP 5619 LB VR-VT Exc. Supercharger, Single Row ( From Eng No. 1426331)
JP 5620 LB VR-VT Exc. Supercharger, Double Row ( From Eng No. 1426331)
JP 5976 LB Gemini, Rodeo Inline Four, Single row
JP 5979 LB 253-308 V8
 

Leyland/BMC

JP 5984 LB P76 V8
JP 5607 LB B Series
 

Oldsmobile

JP 5612 LB Evenfire V6 181-196-231-252
JP 5984 LB Oddfire 198-215-225-231 Turbo V6
 

Pontiac

JP 5612 LB Evenfire V6 181-196-231-252
JP 5984 LB 198-215-225-231 Turbo V6
JP 5614 LB Big Block 287-45555 V8 (reverse oiler)
 

Rover

JP 5984 LB 3500 V8, Range Rover
 

Toyota

JP 5601 LB VN V6 Single Row
JP 5603 LB VP-VR Single Row (To VIN # VH1426330) V6
 
 
 
 
 
 
 

When installing any new timing componentry we recommend using a degree wheel to set perfect timing. Use JP 5720.