Motor Tuning BN4, BN6, BN7, BT7, BJ7, BJ8 |
| Motor Tuning BN4, BN6, BN7, BT7, BJ7, BJ8 |  | ZK1AH/ALU | aluminum cylinder head
Type: BN4 > CE48863-BJ8 required quantities: 1
| ZK1AH/AR | fast road aluminum 4 cyl. head
optimized combustion chamber, channels + high valve
Type: BN4 > CE48863-BJ8 required quantities: 1
| ZK1AH/FR | full race 4 cyl. Ali. Head the
same as ZK1AH/AR but optimized for motorsport
Type: BN4 > CE48863-BJ8 required quantities: 1
| M15SPTMK3R | flywheel bolts
Type: BN4-BJ8 required quantities: 4 | ZK17AH/R | steel rocker pedestal & spacer
set
Type: BN4,BN6,BN7,BT7,BJ7,BJ8 required quantities: 1
| ZK19TR6R | uprated cylinder head nut
Type: BN4,BN6,BN7,BT7,BJ7,BJ8 required quantities:
16 | ZK19aTR6R | washer , high tensile
Type: BN4,BN6,BN7,BT7,BJ7,BJ8 required quantities:
16 | ZK23AH/44.5 | valve inlet Ø 44.5mm
competition
Type: BN4,BN6,BN7,BT7,BJ7,BJ8 required quantities: 6
| ZK23AH/46 | valve inlet Ø 46 mm
competition
Type: BN4,BN6,BN7,BT7,BJ7,BJ8 required quantities: 6
| ZK25AH/39.7 | valve outlet Ø 39.7 mm
competition
Type: BN4,BN6,BN7,BT7,BJ7,BJ8 required quantities: 6
| ZK25AH/41 | valve outlet Ø 41.0 mm
competition
Type: BN4,BN6,BN7,BT7,BJ7,BJ8 required quantities: 6
| M25AH/R | steel flywheel 8ORG holes
Type: BN4,BN6,BN7,BT7,BJ7,BJ8 required quantities: 1
| ZK27AH/B | valve guide inlet bronze
Type: BN4,BN6,BN7,BT7,BJ7,BJ8 required quantities: 6
| ZK28AH/B | valve guide outlet bronze
Type: BN4,BN6,BN7,BT7,BJ7,BJ8 required quantities: 6
| ZK30AH/HD | heawy duty valve springs; for
camshaft to 7,2mm stroke
Type: BN4,BN6,BN7,BT7,BJ7,BJ8 required quantities: 1
| ZK30AH/R | valve spring set - comp; for
camshaft from 7,2 mm stroke
Type: BN4,BN6,BN7,BT7,BJ7,BJ8 required quantities: 1
| ZK30AH/.010" | valve spring shim 0.010“/0.25
mm outer-Ø 15,09 mm
Type: BN4,BN6,BN7,BT7,BJ7,BJ8 required quantities:
A/R | ZK30AH/.010"L | valve spring shim 0.010“/0.25
mm outer-Ø 16,26 mm
Type: BN4,BN6,BN7,BT7,BJ7,BJ8 required quantities:
A/R | ZK30AH/.015" | valve spring shim 0.015“/0.38
mm outer-Ø 15,09 mm
Type: BN4,BN6,BN7,BT7,BJ7,BJ8 required quantities:
A/R | ZK30AH/.020" | valve spring shim 0.020“/0.51
mm outer-Ø 15,09 mm
Type: BN4,BN6,BN7,BT7,BJ7,BJ8 required quantities:
A/R | M35AH/R | set competition head studs &
nuts & washers
Type: BN4 ab CE48863-BJ8 required quantities: 1
| ZK30TR4 | bucket cam followers -
modified
Type: BN4-BJ8 required quantities: 12 | ZK38AH/R | roller rocker kit
Type: BN4-BJ8 required quantities: 1 | M41AH/R | hydraulic tensioner
Type: BN4-BJ8 required quantities: 1 | M45AH/R | main stud STD
Type: BN4-BJ8 required quantities: 1 | M48AH | aluminium back plate
Type: BN4-BJ8 required quantities: 1 | M48AH/R* | aluminium back plate for cars
with M511AH/R crankshaft

Type: BN4-BJ8 required quantities: 1 | ZK51AH | valve cap alu polished
Type: BN4-BJ8 required quantities: 1 | M100AH | alu oil pan
Type: BN4-BJ8 required quantities: 1 | M401AH/83,5 | racing pistons set 83,5mm (6)
Type: BN4-BJ8 required quantities: 1 | M401AH/84,0 | racing pistons set 84,0mm (6)
Type: BN4-BJ8 required quantities: 1 | M401AH/85,0 | racing pistons set 85,0mm (6)
Type: BN4-BJ8 required quantities: 1 | M501AH/R | vernier cam sprocket
Type: BN4-BJ8 required quantities: 1 | M508AH/R | long push rod set - bucket for
ZK30TR4
Type: BN4-BJ8 required quantities: 1 | M511AH/R* | steel crankshaft

Type: BN4-BJ8 required quantities: 1 | M515AH/R | con rod for competition
Type: BN4>40501-BJ8 required quantities: 6 | M515AH/R-SK* | steel con rod set for M511AH/R

Type: BN4-BJ8 required quantities: 1 | M521AH/R-STD* | big end set (std) steel crank

Type: BN4-BJ8 required quantities: 1 | | Hight performance camshaft | | M280AH | 280° high performance camshaft
timing: 37/67-73/27 stroke: 7,15 mm – for road engines
Type: BN4-BJ8 required quantities: 1 | M290AH | 290° hight performance
camshaft timing: 42/73-78/32 stroke: 7,84 mm – for good
optimized engines + competition
Type: BN4-BJ8 required quantities: 1 | M300AH | 300° hight performance
camshaft timing: 47/73-83/37 stroke: 8,22 mm cam lift –
for round courses
Type: BN4-BJ8 required quantities: 1 |
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* M511AH/R ; M515AH/R-SK ; M48AH/R ; M521AH/R-STD
only use together |
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